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Synonyms for speeding up
noun increasing speed, timing

expedition
quickening

dispatch
stimulation

hurrying
spurring

hastening
stepping up

Antonyms for speeding up

deferral
hindrance

retardation
slowing

deceleration
slowing down

Synonyms
verb increase speed, timing

advance
step up
further
hasten
spur
stimulate
expedite
quicken

tool
drive
gun
impel
forward
dust
precipitate
railroad

hurry
roll
open up
rev
fire up
hammer on
lay a patch
lay rubber

make tracks
nail it
peel rubber
put on afterburners
put pedal to metal
rev up
speed up
step on gas

Antonyms

hinder
slow
block
cease
delay
dissuade

repress
wait
decelerate
impede
postpone
retard

halt
stop
check
discourage
defer
slow down

Synonyms
verb adjoin, increase; make further comment

reply
include
boost
continue
augment
annex
hike
sweeten
affix
tag
snowball

supplement
pad
spike
ante
parlay
append
beef up
build up
figure in
step up
piggyback

charge up
cue in
flesh out
heat up
hike up
hitch on
hook on
hook up with
jack up
jazz up
join together

plug into
pour it on
run up
say further
slap on
soup up
speed up
tack on

Antonyms

decrease
detach
subtract
deduct

lessen
halt
diminish
reduce

remove
withdraw

Synonyms
verb alleviate, help

mitigate
moderate
relax
speed
relieve
lessen
soften
soothe
simplify
lift
calm
abate
ameliorate
further

allay
promote
facilitate
expedite
improve
appease
palliate
cure
still
doctor
assuage
comfort
relent
forward

mollify
nurse
meliorate
lighten
assist
free
pacify
tranquilize
slacken
smooth
quiet
disengage
cheer
disburden

release
aid
untighten
anesthetize
attend to
clear the way
let up on
make easier
open the door
run interference for
speed up

Antonyms

incite
increase
intensify
worsen
excite
worry
delay
slow
harm
injure
condemn
enlarge
demote
weaken

block
cease
hinder
annoy
exasperate
impede
burden
bring down
perplex
vex
irritate
agitate
halt
hurt

trouble
upset
extend
check
stop
aggravate
provoke
depress
hold
keep
maintain
make difficult

Synonyms
verb make happen faster

urge
hasten
facilitate
assist
accelerate
promote
speed

quicken
advance
rush
dispatch
forward
press
precipitate

railroad
hurry
cut the red tape
fast track
grease wheels
hand-carry
hand-walk

handle personally
run interference
run with the ball
shoot through
speed up
walk it through

Antonyms

delay
hinder
retard
slow
wait

block
cease
stop
hurt
halt

hold
keep
check

Synonyms
verb assist the progress of

help
ease
simplify
aid
further

promote
speed
expedite
forward
smooth

grease the wheels
hand-carry
make easy
open doors
run interference for

speed up
walk through

Antonyms

block
hinder
injure
obstruct
worsen
impede

cease
delay
slow
detain
prohibit
check

hurt
stop
make difficult
halt

Synonyms
verb act, move speedily

whirl
rush
whisk
zip
scurry
dash
scoot
jog
hasten
hustle
rocket
burst
rip
whiz

accelerate
speed
quicken
spur
goad
race
roll
urge
run
bustle
nip
sally
expedite
fly

bullet
flit
drive
breeze
haste
beeline
smoke
push
fleet
barrel
dig in
bestir
whish
be quick

get a move on
go like lightning
hurry up
lose no time
make haste
make short work of
make time
make tracks
shake a leg
speed up
step on gas
step on it
turn on steam

Antonyms

slow
procrastinate
decelerate
hinder
retard
delay
dissuade

walk
cease
repress
dally
dawdle
stall
wait

halt
discourage
stop
check
rest

Synonyms
verb hurry, speed

hasten
trigger
accelerate
expedite
advance

fling
launch
further
dispatch
cast

hurl
press
discharge
throw
quicken

bring on
let fly
push forward
send forth
speed up

Antonyms

block
hinder
cease
slow

wait
check
halt
stop

hold
keep
catch
receive

Synonyms
verb incite, urge

press
pressure
encourage
spur
speed
inspire
influence
coerce
persuade
bulldoze
hurry

motivate
goad
jolly
oblige
prod
browbeat
railroad
squeeze
constrain
expedite
kid

impel
strong-arm
bear down
egg on
turn on
goose
steamroll
dragoon
exert influence
fire up
go to town on

key up
lean on
overpress
pour it on
push around
put the screws to
put up to
sell on
speed up

Antonyms

dissuade
hinder
repress
suppress

delay
slow
conceal
hide

leave alone
discourage
stop
pull

Synonyms
verb increase, grow

raise
advance
double
swell
ascend
pick up
lift
accelerate
multiply
build
climb

improve
expand
soar
distend
aggravate
arise
augment
magnify
bulge
intensify
mount

billow
upsurge
enlarge
enhance
spread
redouble
wax
deepen
inflate
rouse
heighten

levitate
add to
perk up
take off
move up
go up
go through the roof
intensate
pile up
speed up
stack up

Antonyms

demolish
destroy
raze
decrease
lessen
retreat
go down
weaken
worsen
decelerate
soften
soothe

calm
compress
recede
slump
regress
comply
cooperate
give in
drop
lower
depress
diminish

reduce
stop
divide
contract
shrink
decline
descend
cave in
deflate
fall
go along

Synonyms
verb hurry, speed

shoot
fly
run
zip
charge
dispatch
barrel
dash
press
bolt
break
scurry

push
sprint
hustle
scramble
chase
streak
career
course
tear
flit
fling
zoom

hotfoot
surge
scud
whiz
race
haste
accelerate
fleet
dart
hasten
roll
expedite

quicken
get the lead out
fire up
get cracking
go like lightning
hurry up
lose no time
make haste
make short work of
shake a leg
speed up
step on gas

Antonyms

walk
obey
slow
retreat
wait

dawdle
hide
decelerate
hinder
retard

guard
protect
stay
pull

Synonyms
verb accelerate

hasten
raise
escalate
intensify

increase
improve
boost
speed

quicken
augment
hurry
lift

shake up
up
speed up

Antonyms

decrease
lessen
weaken
slow

decelerate
hinder
lower
diminish

hurt
halt

Synonyms
verb ease

abate
aid
allay
ameliorate
appease
assist
assuage
calm
comfort
disburden
disengage
expedite
facilitate
further

improve
lessen
let up
loosen
mitigate
mollify
pacify
palliate
quiet
release
relent
simplify
slacken
soften

soothe
speed
still
tranquilize
anesthetize
attend to
cheer
clear the way
cure
doctor
forward
free
let up on
lift

lighten
loose
make easier
meliorate
moderate
nurse
open the door
promote
relax
relieve
run interference for
slack
smooth
speed up