main Antonyms

peripheral supplemental subordinate minor unimportant supplementary auxiliary trivial secondary inconsequential insignificant subsidiary lesser inessential ancillary tautologic triceps synecdoche surfeit supporting undistinctive trifling supplanter subservient substituent substituting substitutional substitutive substract non-essential succedaneum superaddition superfluous supernumerary supersession supervenient useless vicariously worthless Calais meter maid undistinguished side dish small-time nurtural liminal penlight second string spare part unconsumed