Synonyms of unnecessary in English:

unnecessary


See US English definition of unnecessary

See UK English definition of unnecessary

See Spanish definition of innecesario

adjective

1‘many people feel that holiday insurance is unnecessary for travel in Britain’

SYNONYMS
unneeded, needless, inessential, non-essential, not required, uncalled for, gratuitous, useless, unmerited, unwarranted, unwanted, undesired, dispensable, avoidable, peripheral, cosmetic, unimportant, trivial, incidental, optional, extraneous, expendable, disposable, redundant, pointless, purposeless, to no purpose, to no avail
wasted, wasteful, wanton
superfluous, excess, excessive, too much, disproportionate, surplus, surplus to requirements
de trop
rare supererogatory
ANTONYMS

necessary, essential, useful