Synonyms and Antonyms of infinitesimal
- a soft drink with only an infinitesimal amount of caffeine
atomic, bitsy, bitty, itty-bitty (or itsy-bitsy), little bitty, microminiature, microscopic (also microscopical), miniature, minuscule, minute, teensy, teensy-weensy, teeny, teeny-weeny, tiny, wee, weeny (also weensy)
baby, diminutive, dwarf, elfin, half-pint, Lilliputian, little, micro, mini, minikin, model, petite, pocket, pocket-size (also pocket-sized), pygmy, small, smallish
dinky, dwarfish, insignificant, pint-size (or pint-sized), puny, scrubby, undersized (also undersize)
big, bulky, bumper, considerable, extensive, good, goodly, grand, great, gross, handsome, hefty, hulking, jumbo, king-size (or king-sized), large, largish, major, outsize (also outsized), overgrown, overscale (or overscaled), oversize (or oversized), sizable (or sizeable), substantial, super, whacking, whopping
formidable, grandiose, imposing, lofty, majestic, monolithic, staggering, stupendous, towering
boundless, cavernous, immeasurable, infinite, vast, vasty, voluminous
astronomical (also astronomic), colossal, cosmic (also cosmical), elephantine, enormous, giant, gigantic, herculean, heroic (also heroical), huge, immense, mammoth, massive, monster, monstrous, monumental, mountainous, planetary, prodigious, titanic, tremendous