- minor [adj] insignificant, small accessory, below the mark, bush-league*, casual, dependent, dinky*, inconsequential, inconsiderable, inferior, junior, lesser, light, low, minus, negligible, paltry, petty, piddling, secondary, second-string*, slight, smaller, small-fry*, small-time, subordinate, subsidiary, tacky, trifling, trivial, two-bit*, unimportant, younger; concepts 575,773,789 —Ant. adult, greater, large, major, significant minor [n] person under legal age of maturity adolescent, baby, boy, child, girl, infant, junior, juvenile, lad, little one, schoolboy, schoolgirl, teenager, underage, youngster, youth; concept 424 —Ant. adult
New thesaurus. 2014.