Synonyms of unneeded

2 Syllables

icer, lavish, random, gravier, wanton, tipper, casual, surplus, worthless, fusser, needless, excess, chance

3 Syllables

redundant, causeless, optional, superfluent, superfluous, resultless, extraneous, gingerbread, profuse, haphazard, useless, fortuitous, futile, prodigal, extrinsic, gratuitous

4 Syllables

avoidable, expendable, irrelevant, additional, dispensable, residuary, unrequired, inessential, nonessential, uncritical, unessential, uncalled-for, exorbitant, accidental

5 Syllables

undesirable, unnecessary, noncompulsory

7 Syllables

supererogatory