prominent Antonyms

less important supplemental supplementary tapered trifling trivial undistinctive unknown unobtrusive subtle subordinate piddling pointless poor renownless restrained secondary slight small worthless unimportant noncritical unnoticeable uneventful second string twopenny-halfpenny unperceivable unremarked unsung small-time unremarkable irrelevant incidental footling little-known meaningless nonmeaningful run-of-the-mill undistinguished petty petit hidden hindermost immaterial imperceptible incog inconsequential inconsiderable inconspicuous frivolous