unessential

un·es·sen·tial  (n-snshl)

adj.

Not necessary or important; dispensable.

n.

One that is unnecessary.

Thesaurus

Adj.

1.

unessential - not basic or fundamental inessential dispensable - capable of being dispensed with or done without; "dispensable items of personal property" expendable - suitable to be expended unimportant - not important; "a relatively unimportant feature of the system"; "the question seems unimportant" extrinsic - not forming an essential part of a thing or arising or originating from the outside; "extrinsic evidence"; "an extrinsic feature of the new building"; "that style is something extrinsic to the subject"; "looking for extrinsic aid" unnecessary, unneeded - not necessary secondary - being of second rank or importance or value; not direct or immediate; "the stone will be hauled to a secondary crusher"; "a secondary source"; "a secondary issue"; "secondary streams"