pivotal Antonyms

of no moment unsubstantial unessential undistinctive trivial trifling supplementary superficial subsidiary subordinate worthless unimportant irrelevant not important less important twopenny-halfpenny non-essential noncrucial noncritical nonmeaningful meaningless footling small slight secondary last insignificant inferior inconsiderable inconsequential immaterial frivolous extraneous auxiliary lesser little marginal pointless piddling picayune petty peripheral paltry nugatory negligible minor ancillary