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Synonyms for un thinking
adj careless

feckless
foolish
heedless
impulsive
inadvertent
inconsiderate
indelicate
insensitive
instinctive

mechanical
negligent
oblivious
outrageous
rash
rude
selfish
senseless
tactless

thoughtless
uncaring
unconscious
unheeding
unmindful
unpremeditated
unwise
vacant
witless

undiplomatic
unintended
unmeant
untactful
blundering
brutish
napping
unreasoning

Antonyms for un thinking

careful

cautious

thoughtful

Synonyms
adj out to lunch

absent
absorbed
abstracted
careless
daydreaming
distracted
dreaming
dreamy
engrossed
faraway

forgetful
heedless
inattentive
lost
oblivious
preoccupied
remote
removed
scatterbrained
surroundings

unconscious
unheeding
unmindful
unobservant
unthinking
withdrawn
bemused
distrait
moony
airheaded

goofing off
head in the clouds
inconscient
mooning
out to lunch
pipe dreaming
space cadet
spacey
unaware of events
woolgathering

Antonyms

alert

aware

attentive

Synonyms
adj done by habit

natural
mechanical
reflex
unconscious
routine

habitual
impulsive
instinctive
intuitive
involuntary

knee-jerk
perfunctory
spontaneous
unintentional
unthinking

instinctual
unforced
autogenetic
unmeditated
unwilled

Antonyms

manual
stilted

unnatural
by hand

thought-out

Synonyms
adj uncontrolled

mindless
irrational
wild
rash

hasty
heedless
impetuous
inconsiderate

reckless
senseless
shortsighted
thoughtless

unthinking
violent
unseeing

Antonyms

seeing
sighted
aware
understanding

uncovered
cunning
quick
sharp

controlled
open
revealed

Synonyms
adj very strong; animal-like

animal
beastly
bestial
bodily

carnal
feral
fleshly
instinctive

mindless
physical
senseless
unthinking

ferine
swinish

Antonyms

gentle

mild

weak

Synonyms
adj without sufficient attention

indifferent
indiscreet
inaccurate
wasteful
hasty
irresponsible
forgetful
lackadaisical
negligent
nonchalant
thoughtless
lax

sloppy
casual
reckless
absent-minded
abstracted
cursory
heedless
improvident
imprudent
inadvertent
incautious
inconsiderate

indolent
injudicious
loose
mindless
oblivious
offhand
perfunctory
regardless
remiss
slipshod
unconcerned
unguarded

unheeding
unmindful
unobservant
unthinking
disregardful
napping
pococurante
uncircumspect
unreflective

Antonyms

careful
mindful
cautious
painstaking
prudent

guarded
kind
scrupulous
caring
responsible

attentive
accurate
concerned
ready
thoughtful

Synonyms
adj intuitive

interior
intimate
natural
basic

deep-seated
emotional
heartfelt
innate

inner
instinctive
internal
involuntary

spontaneous
unthinking
visceral
viscerous

Antonyms

outside

material

physical

Synonyms
adj without plan or organization

aimless
offhand
random
disorganized
casual
careless
helter-skelter
desultory
arbitrary
slapdash
indiscriminate

uncoordinated
erratic
accidental
any which way
chance
devil-may-care
disorderly
fluke
hit-or-miss
incidental
irregular

loose
purposeless
reckless
slipshod
spontaneous
sudden
unconcerned
unconscious
unexpected
unorganized
unpremeditated

unthinking
willy-nilly
unconsidered
unsystematic
all over the map
any old way
designless
unmethodical

Antonyms

careful
deliberate
planned
methodical
specific

systematic
painstaking
intentional
organized
definite

particular
designed
straight
thought-out

Synonyms
adj careless

inattentive
reckless
daydreaming
fast and loose
feckless
foolhardy
impetuous
imprudent

inadvertent
incautious
inconsiderate
neglectful
negligent
oblivious
precipitate
rash

slapdash
sloppy
thoughtless
uncaring
unmindful
unobservant
unthinking
unwary

disregardful
asleep at the switch
goofing off
irreflective
out to lunch

Antonyms

careful
cautious
heedful

observant
attentive
caring

concerned
thoughtful

Synonyms
adj acting without thinking

ardent
impulsive
abrupt
eager
fervid
fierce
furious
hasty
headlong

hurried
impassioned
passionate
precipitate
precipitous
rash
restive
rushing
spontaneous

sudden
swift
unbridled
unexpected
unplanned
unpremeditated
unrestrained
unthinking
vehement

violent
precipitant
spur-of-the-moment
going off deep end
subitaneous
unreflecting

Antonyms

cautious
circumspect
considerate

reflective
sensible
wise

calm
thoughtful

Synonyms
adj without much thought

foolhardy
ill-considered
thoughtless
irresponsible
careless
unwise
ill-advised

foolish
reckless
brash
heedless
impolitic
improvident
incautious

inconsiderate
indiscreet
inexpedient
injudicious
rash
temerarious
unthinking

ill-judged
leaving self wide open
off the deep end
overhasty
playing with fire
unadvisable

Antonyms

careful
cautious
kind
mindful

prudent
wise
sensible
discreet

thoughtful
attentive
responsible

Synonyms
adj accidental

unintentional
unintended
careless
unwitting
reckless
chance

feckless
heedless
negligent
thoughtless
uncaring
unconcerned

unheeding
unmindful
unplanned
unpremeditated
unthinking
undesigned

undevised
irreflective
not on purpose
unthought

Antonyms

intentional
careful
cautious

deliberate
planned
advertent

attentive

Synonyms
adj negligent, not paying attention

bored
distracted
careless
distraught
oblivious
indifferent
apathetic
absent
absentminded
blind
diverted

dreamy
faraway
heedless
inadvertent
listless
lost
musing
neglectful
off-guard
preoccupied
rapt

regardless
remiss
removed
scatterbrained
thoughtless
unconscious
unheeding
unmindful
unobservant
unthinking
vague

distrait
inobservant
out to lunch
undiscerning
unnoticing
unobserving
unperceiving
unwatchful

Antonyms

interested
mindful
heedful

noticing
observant
concerned

caring
attentive
looking

Synonyms
adj not careful

bold
brash
careless
devil-may-care
hasty
heedless
hotheaded
ill-advised
impetuous
improvident

imprudent
impulsive
inconsiderate
indiscreet
injudicious
madcap
neglectful
negligent
precipitate
rash

reckless
regardless
thoughtless
unguarded
unmindful
unthinking
wary
any old way
caught napping
fast-and-loose

foot-in-mouth
ill-judged
off guard
pay no mind
playing with fire
unalert
unvigilant
unwatchful
wide open
sticking one’s neck out

Antonyms

careful
cautious

discreet
thoughtful

Synonyms
adj insensitive to others

boorish
brash
careless
discourteous
hasty
impolite

incautious
indelicate
intolerant
reckless
rude
self-centered

selfish
sharp
short
tactless
thoughtless
unceremonious

uncharitable
ungracious
unkind
unthinking

Antonyms

considerate
kind
tactful

generous
nice
sensitive

thoughtful

Synonyms
adj injudicious

hasty
careless
foolish

heedless
imprudent
inconsiderate

insensitive
rash
reckless

unthinking

Synonyms
adj reflex, automatic

ingrained
innate
intuitive
impulsive
inherent
natural
visceral
spontaneous

accustomed
congenital
habitual
inborn
instinctual
intrinsic
involuntary
knee-jerk

mechanical
native
normal
regular
rooted
typical
unlearned
unpremeditated

unthinking
intuitional
second-nature
unmeditated
unprompted
by seat of one’s pants

Antonyms

extrinsic
learned
deliberate

sensible
acquired
conscious

meditated
reasonable

Synonyms
adj automatic; not done willingly

forced
uncontrolled
spontaneous
compulsory
unintentional
automatic
blind
conditioned

habitual
impulsive
instinctive
knee-jerk
obligatory
reflex
reluctant
unconscious

unpremeditated
unthinking
unwilling
unwitting
instinctual
unintended
begrudging
grudging

reflexive
uncalculated
unmeditated
unprompted
will-less

Antonyms

voluntary
deliberate
intended

planned
intentional
unforced

conscious

Synonyms
adj illogical, senseless

insane
crazy
stupid
incoherent
unreasonable
preposterous
unsound
wrong
ridiculous
absurd
unwise

foolish
aberrant
wild
loony
raving
silly
invalid
brainless
delirious
demented
disconnected

disjointed
distraught
fallacious
flaky
injudicious
mad
mindless
nonsensical
nutty
specious
unstable

unthinking
wacky
freaky
kooky
sophistic
cockamamie
off-the-wall
reasonless
unreasoning

Antonyms

rational
sane
sensible
logical
wise
reflective

stable
balanced
reasonable
sound
well
realistic

responsible
smart
serious
thoughtful

Synonyms
adj done by machine; machinelike

automatic
automated
cold
cursory
emotionless
fixed
habitual

impersonal
instinctive
involuntary
lifeless
matter-of-fact
monotonous
perfunctory

routine
spiritless
standardized
stereotyped
unchanging
unconscious
unfeeling

unthinking
useful
laborsaving
machine-driven
programmed

Antonyms

manual
by hand

conscious
feeling

Synonyms
adj oblivious, stupid; automatic

silly
thoughtless
senseless
foolish
gratuitous
unmindful
forgetful
asinine

careless
daydreaming
heedless
idiotic
inattentive
moronic
neglectful
negligent

obtuse
out
rash
simple
unaware
unintelligent
unthinking
witless

imbecilic
moony
spaced-out
brutish
mooning
nitwitted
out of it

Antonyms

sensible
wise
mindful

intelligent
serious
thoughtful

reasonable
attentive
thinking

Synonyms
adj stupid

irresponsible
idiotic
dumb
dopey
foolish
pointless

asinine
brainless
dense
half-baked
ill-advised
inane

ludicrous
mindless
nonsensical
senseless
unintelligent
unthinking

dimwitted
doltish
imbecilic

Antonyms

careful
brainy

intelligent
sensible

smart

Synonyms
adj careless, indifferent

inattentive
lax
inadvertent
sloppy
cursory
delinquent
derelict
forgetful

heedless
inconsiderate
neglectful
nonchalant
offhand
regardless
remiss
slack

slapdash
slipshod
slovenly
thoughtless
unconcerned
unmindful
unthinking
behindhand

disregardful
incurious
asleep at switch
discinct
unheedful

Antonyms

careful
mindful

successful
attentive

caring

Synonyms
adj careless, impulsive

impetuous
foolhardy
ill-considered
thoughtless
indiscreet
bold
hasty
daring
audacious
ill-advised
immature

imprudent
reckless
irrational
madcap
precipitate
precipitant
wild
adventurous
brash
determined
devil-may-care

fiery
frenzied
furious
harebrained
headlong
headstrong
heedless
hotheaded
incautious
injudicious
passionate

premature
unguarded
unthinking
unwary
venturesome
venturous
insuppressible
jumping to conclusions
overhasty

Antonyms

cautious
considerate
reflective
sensible
wise
careful

discreet
cowardly
meek
timid
planned
thoughtful

afraid
fearful
shy
reasonable

Synonyms
adj unintelligent, ignorant

foolish
trivial
frothy
empty
hollow
petty
slight
simple

flimsy
surface
piddling
idle
lightweight
trifling
cursory
empty-headed

farcical
featherbrained
flighty
frivolous
half-baked
inane
meaningless
paltry

puerile
sketchy
skin-deep
superficial
uncritical
unthinking
vain
wishy-washy

Antonyms

consequential
useful
worthwhile
aware
considered

intelligent
full
important
major
significant

big
thick
deep
thoughtful

Synonyms
adj not intelligent; irresponsible

simple
irrelevant
naive
ludicrous
senseless
dumb
futile
ill-advised
laughable
foolish
trivial
dull
shortsighted

dummy
thick
rash
loser
unintelligent
brainless
dazed
deficient
dense
dim
dopey
gullible
half-baked

half-witted
idiotic
inane
indiscreet
insensate
meaningless
mindless
moronic
nonsensical
obtuse
pointless
puerile
simpleminded

slow
sluggish
stolid
stupefied
unthinking
witless
doltish
imbecilic
out to lunch
thick-headed

Antonyms

intelligent
wise
sensible
careful
prudent

cognizant
smart
reasonable
bright
sharp

serious
thoughtful
responsible

Synonyms
adj absent-minded, unobservant

mindless
ill-considered
irrational
senseless
stupid
careless
ill-advised
foolish
reckless
bovine
confused

dull
empty-headed
flighty
heedless
imprudent
inadvertent
inane
inattentive
incomprehensible
inept
injudicious

loony
neglectful
negligent
obtuse
puerile
rash
regardless
remiss
silly
unheeding
unmindful

unreasonable
unthinking
vacuous
witless
doltish
irreflective
lamebrained
undiscerning
unreasoning
unreflective

Antonyms

intelligent
mindful
rational
sensible
wise
careful

cautious
prudent
considerate
kind
unselfish
observant

thoughtful
reasonable
responsible
thinking
attentive
heeding

Synonyms
adj casual, unfussy

perfunctory
cursory
careless
imprudent
inaccurate

indiscriminate
offhand
shallow
slipshod
superficial

uninformed
unthinking
unperceptive
easily pleased
imperceptive

imprecise
undiscerning
undiscriminating
unexacting
unselective

Antonyms

discriminating
fussy

critical
formal

important

Synonyms
adj thoughtless; unwary

spontaneous
candid
indiscreet
offhand
accessible
artless
careless
casual
direct

foolhardy
frank
headlong
heedless
honest
impolitic
imprudent
impulsive
incautious

ingenuous
naive
rash
straightforward
unconscious
unpremeditated
unthinking
unwise
vulnerable

weak
ill-considered
undiplomatic
unalert
uncircumspect
unreflective
unvigilant
unwatchful

Antonyms

deliberate
planned

careful
cautious

thoughtful

Synonyms
adj stupid

brainless
deficient
dense
dumb
empty-headed
foolish
half-witted

idiotic
inane
meaningless
mindless
moronic
pointless
senseless

simple
simpleminded
slow
unthinking
witless
doltish
imbecilic

mentally deficient
mentally handicapped
not intelligent
thick-headed

Synonyms
adj not planned

accidental
aimless
casual
chance
erratic
extemporaneous

fortuitous
haphazard
inadvertent
involuntary
purposeless
random

unconscious
unexpected
unforeseen
unplanned
unpremeditated
unthinking

unwitting
undesigned
undevised
unintended
unthought

Antonyms

deliberate
intended

intentional
planned

definite

Synonyms
adj without fully realizing

unsuspecting
uninformed
inadvertent
forgetful
accidental
aimless
chance
comatose

haphazard
ignorant
incognizant
innocent
involuntary
numb
oblivious
senseless

unacquainted
unaware
unconscious
unfamiliar
unintentional
unknowing
unmindful
unplanned

unthinking
undesigned
uninstructed
unintended
unmeant
inconversant

Antonyms

intentional
attentive

conscious
realizing

witting

Synonyms
adj absent-minded; expressionless

idle
abstracted
blank
daydreaming
deadpan
dreaming

dreamy
empty-headed
foolish
inane
inexpressive
silly

stupid
thoughtless
unintelligent
unthinking
vacuous
vapid

witless
incurious
unexpressive

Antonyms

overflowing
aware

cognizant
full

occupied
comprehending

Synonyms
adj not planned

unintended
unexpected
unplanned
inadvertent
accidental
involuntary

random
unforeseen
aimless
casual
chance
erratic

extemporaneous
fortuitous
haphazard
purposeless
unconscious
unpremeditated

unthinking
unwitting
undesigned
undevised
unthought

Antonyms

planned
intentional

deliberate
intended

expected

Synonyms
adj mechanical

automatic
habitual

involuntary
knee-jerk

responsive
spontaneous

unthinking

Synonyms
adj rash

thoughtless
indiscreet
hasty
audacious
premature
impulsive
ill-advised
reckless
imprudent
adventurous
bold
brash

daring
determined
devil-may-care
fiery
foolhardy
frenzied
furious
harebrained
harum-scarum
headlong
headstrong
heedless

hotheaded
immature
impetuous
improvident
incautious
injudicious
irrational
madcap
passionate
precipitant
precipitate
slapdash

temerarious
unconsidered
unguarded
unthinking
unwary
venturesome
venturous
wild
insuppressible
jumping to conclusions
overhasty

Antonyms

delayed
cautious

careful
wise

thoughtful
slow

Synonyms
adj instinctive

accustomed
congenital
habitual
impulsive
inborn
ingrained
inherent
innate

intrinsic
intuitive
involuntary
knee-jerk
mechanical
native
natural
normal

regular
rooted
spontaneous
typical
unlearned
unpremeditated
unthinking
visceral

intuitional
second-nature
unmeditated
unprompted
by seat of one’s pants

Synonyms
adj rash

harum-scarum
bold
irrational
madcap
wild
precipitate
daring
adventurous
audacious
brash
determined
devil-may-care

fiery
foolhardy
frenzied
furious
harebrained
hasty
headlong
headstrong
heedless
hotheaded
ill-advised
ill-considered

immature
impetuous
improvident
imprudent
impulsive
incautious
indiscreet
injudicious
passionate
premature
reckless
slapdash

temerarious
thoughtless
unconsidered
unguarded
unthinking
unwary
venturesome
venturous
insuppressible
jumping to conclusions
overhasty

Antonyms

cowardly
meek
timid

afraid
fearful
shy

reasonable

Synonyms
adj stupid

blockheaded
brainless
dazed
deficient
doltish
dopey
foolish
futile
gullible
half-baked
half-witted
hebetudinous
idiotic

ill-advised
imbecilic
inane
indiscreet
irrelevant
laughable
loser
ludicrous
meaningless
mindless
moronic
naive
nonsensical

pointless
puerile
rash
senseless
shortsighted
simpleminded
sluggish
stolid
stupefied
thickheaded
trivial
unintelligent
unthinking

witless
dense
dim
dull
dumb
dummy
insensate
obtuse
out to lunch
simple
slow
thick
thick-headed

Synonyms
adj rash

adventurous
audacious
bold
brash
daring
determined
devil-may-care
fiery
foolhardy
frenzied
furious
harebrained

harum-scarum
hasty
headlong
headstrong
heedless
hotheaded
ill-advised
ill-considered
immature
impetuous
improvident
imprudent

impulsive
incautious
indiscreet
injudicious
irrational
madcap
passionate
precipitant
precipitate
premature
reckless
slapdash

temerarious
thoughtless
unguarded
unthinking
unwary
venturesome
venturous
wild
insuppressible
jumping to conclusions
overhasty

Synonyms
adj unintentional

accidental
aimless
casual
chance
erratic
extemporaneous

fortuitous
haphazard
inadvertent
involuntary
purposeless
random

unconscious
undevised
unexpected
unforeseen
unintended
unmeant

unplanned
unpremeditated
unthinking
unwitting
unthought

Synonyms
adj unintentional

accidental
aimless
casual
chance
erratic
extemporaneous

fortuitous
haphazard
inadvertent
involuntary
purposeless
random

unconscious
undesigned
unexpected
unforeseen
unintended
unmeant

unplanned
unpremeditated
unthinking
unwitting
unthought

Synonyms
adj unintentional

unforeseen
unexpected
unplanned
inadvertent
accidental
aimless

casual
chance
erratic
extemporaneous
fortuitous
haphazard

involuntary
purposeless
random
unconscious
undesigned
undevised

unmeant
unpremeditated
unthinking
unwitting
unthought

Antonyms

planned

intentional

expected

Synonyms
adj unintentional

accidental
aimless
casual
chance
erratic
extemporaneous

fortuitous
haphazard
inadvertent
involuntary
purposeless
random

unconscious
undesigned
undevised
unexpected
unforeseen
unintended

unplanned
unpremeditated
unthinking
unwitting
unthought

Synonyms
adj thoughtless

antisocial
apathetic
blind
boorish
brash
discourteous
disregardful
egocentric
hasty
heedless
impolite

inattentive
incautious
inconsiderate
indelicate
indifferent
indiscreet
insensitive
listless
madcap
neglectful
negligent

primitive
rash
reckless
rude
self-centered
selfish
sharp
short
tactless
uncaring
unceremonious

unconcerned
undiplomatic
ungracious
unheeding
unkind
unmindful
unrefined
unthinking
asocial
deaf
hot-headed