requisite Antonyms

adding on unessential unacceptable trivial tertiary supplementary superfluous subordinate secondary plectrum pickaxe pickax optional unfit unseemly unexcused plectron non-compulsory amexed amoral off-color unfitting unnecessary irrelevant unsuitable unimportant weed nonessential negligible contemptible cheating capricious boon black base auxiliary arbitrary ancillary advantage advanced accidental corrupt criminal needless minor luxury insignificant inessential incorrect inconsiderable