Underived

Synonyms for underived
adj basic, important

major
paramount
integral
crucial
indispensable
constitutional
elemental
theoretical
underlying
necessary
vital

significant
radical
elementary
central
principal
intrinsic
essential
structural
prime
supporting
primitive

organic
bottom
primary
cardinal
key
requisite
original
first
axiomatic
basal
primordial

rudimentary
constitutive
axiological
bottom-line
foundational
grass-roots
meat-and-potatoes
substratal
substrative
sustaining

Antonyms for underived

lesser
minor
insignificant
unimportant
least
trivial
extrinsic

unnecessary
inessential
needless
nonessential
learned
auxiliary
additional

advanced
extra
subordinate
secondary
accessory

Synonyms
adj earliest

initial
authentic
prime
infant
opening
beginning
primary
pioneer

aboriginal
primitive
starting
first
archetypal
autochthonous
early
elementary

embryonic
genuine
introductory
primeval
primordial
pristine
rudimentary
inceptive

prototypal
rudimental
commencing
first-hand
underivative

Antonyms

last
derivative
latest

borrowed
hackneyed
used

worn
newest
old

Synonyms
adj basic, fundamental

basal
beginning
bottom
central
elemental
elementary

essential
first
introductory
original
primitive
principal

radical
rudimentary
simple
ultimate
underlying
foundational

meat-and-potatoes
underivative
three R’s

Antonyms

least
minor
subordinate
worst

latest
auxiliary
supplemental
inferior

second-rate
secondary
final

Synonyms
adj ancient, original

archaic
primordial
basic
pristine
primeval

undeveloped
essential
old
primary
fundamental

first
earliest
early
elementary
primal

underlying
substratal
underivative
unevolved

Antonyms

modern
auxiliary
minor
unimportant

current
cultured
new
secondary

present
sophisticated