1. not important

- a relatively unimportant feature of the system

- the question seems unimportant

Similar word(s): inessential, unessential, inconsequent, inconsequential, immaterial, indifferent, fiddling, footling, lilliputian, little, niggling, petty, picayune, piddling, piffling, trivial, lightweight, potty, meaningless, nonmeaningful, insignificant, unimportant

2. devoid of importance, meaning, or force

Similar word(s): unimportant, meaningless, nonmeaningful, flimsy, fragile, slight, tenuous, thin, inappreciable, light, superficial, trivial, insignificant