Significant

Antonyms of SIGNIFICANT

trivial, little, unexpressive, smallish, inept, nonsignificant, minor, unnoticeable, unimportant, unfit, unskilled, meager, diminutive, puny, marginal, meaningless, Picayunish, incompetent, unskillful, infirm, bitty, worthless, pocket-size, miniature, anonymous, tiny, undersized, dull, feeble, pint-size, inexpert, ordinary, small, nonmeaningful, ineffective, pocket, unqualified, incapable, insignificant, inconsequential, insubstantial.