major

1 sufficiently large in size, amount, or number to merit attention with several blockbuster hits under her belt, the actress now commands some major cash for appearing in a movie Synonyms biggish, good, goodly, handsome, healthy, largish, considerable, respectable, significant, sizable (or sizeable), substantial, substantive, tidyRelated Words big, bulky, hefty, hulking, outsize (also outsized), oversize (or oversized), voluminous; astronomical (also astronomic), bumper, colossal, elephantine, enormous, gigantic, great, herculean, huge, immense, jumbo, king-size (or king-sized), mammoth, massive, monstrous, monumental, prodigious, titanic, tremendous, whoppingNear Antonyms measly, minute, paltry, petty, picayune, picayunish, piddling, puny, trifling, trivial, unimportant; marginal, meager (or meagre), slight; little, small, tiny, undersized (also undersize); bitty, diminutive, miniature, pint-size (or pint-sized), pocket, pocket-size (also pocket-sized), pygmy, smallishAntonyms inconsequential, inconsiderable, insignificant, insubstantial, negligible, nominal

2 having great meaning or lasting effect a major change in how science is taught in our high schools Synonyms big, consequential, earthshaking, earth-shattering, eventful, historic, important, material, meaningful, momentous, monumental, much, significant, substantial, tectonic, weightyRelated Words decisive, fatal, fateful, strategic; earnest, grave, heavy, serious, sincere; distinctive, exceptional, impressive, outstanding, prominent, remarkable; valuable, worthwhile, worthy; distinguished, eminent, great, illustrious, noble, notable, noteworthy, outstanding, preeminent, prestigious; famous, notorious, renowned; all-important, central, critical, crucial, essential, key, pivotal, seminal, vitalNear Antonyms paltry, petty, worthless; anonymous, nameless, obscure, uncelebrated, unknownAntonyms inconsequential, inconsiderable, insignificant, little, minor, negligible, slight, small, trifling, trivial, unimportant