importunate Antonyms
ancillary
nominal
nonessential
nugatory
unessential
unimportant
irrelevant
unnecessary
incidental
meaningless
noncritical
nonobligatory
non-essential
noncompulsory
nonurgent
negligible
needless
auxiliary
dispensable
frivolous
immaterial
imperative
inconsequential
inconsiderable
indifferent
inessential
inferior
insignificant
insubstantial
little
minor
less important