fundamental Antonyms

small supersession supervenient supplanter supplemental supplementary synecdoche tautologic tertiary topmost trifling trivial undistinctive unessential supernumerary superincumbent stand-by subalternate subordinate subsidiary substituent substituting substitution substitutional substitutive succedaneum superaddition superficial superfluous upper vicariously vicegerent penny ante meter maid photocopy small-time nurtural higher liminal non-essential penlight plagiaristic spare part tinpot unconsumed lightweight pinch hitter weed unimportant irrelevant