RichThesaurus
primary
primary
synonyms
principal
chief
main
first
prime
essential
paramount
cardinal
leading
central
fundamental
key
basic
foremost
vital
major
elementary
elemental
dominant
preeminent
original
predominant
primitive
basal
crucial
rudimentary
premier
initial
capital
most important
pivotal
highest
beginning
outstanding
early
master
overriding
head
indispensable
intrinsic
ruling
radical
primordial
critical
primal
greatest
number-one
introductory
primeval
uppermost
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primary
antonyms
secondary
minor
unimportant
subordinate
auxiliary
extra
last
subsidiary
inferior
nonessential
lesser
insignificant
lower
least
inessential
peripheral
trivial
unnecessary
subservient
final
dependent
lowest
latest
advanced
under
additional
developed
ancillary
indirect
sub
second-rate
subject
subsequent
derivative
collateral
backup
concluding
supplementary
small
substract
tributary
side
spare
substitute
relief
modern
alternate
consequent
irrelevant
marginal
more antonyms