integral Antonyms
less important
supervenient
supernumerary
superfluous
superaddition
succedaneum
substituent
subjunctive
small
slight
severable
secondary
residuary
peripheral
partial
part
parenthetical
objectless
supplanter
supplemental
supplementary
spare part
unneeded
non-essential
meter maid
locum
fill-in
incidental
unnecessary
unimportant
worthless
useless
unsexed
unessential
trivial
tautologic
synecdoche
synchronized
nonessential
needless
minor
atomistic
ascititious
appurtenant
another
ancillary
analogue
alternative
alternate
alien