superfluous

Synonyms: abounding de trop dispensable excess excessive exorbitant expendable extravagant extreme gratuitous inessential in excess inordinate lavish leftover needless nonessential overflowing overmuch pleonastic profuse redundant remaining residuary spare superabundant supererogatory superfluent supernumerary surplus unasked uncalled-for unneeded unrequired unwanted useless

Antonyms: important necessary needed