Synonyms and Antonyms of substantive
- they've made substantive changes in the nightly newscast
biggish, considerable, good, goodly, handsome, healthy, largish, major, respectable, significant, sizable (or sizeable), substantial, tidy
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, whopping
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, smallish