Thesaurus
substantial
Synonyms and Antonyms of substantial
1
having great meaning or lasting effect
decisive, fatal, fateful, strategic
earnest, grave, heavy, serious, sincere
distinctive, exceptional, impressive, outstanding, prominent, remarkable
distinguished, eminent, great, illustrious, noble, notable, noteworthy, outstanding, preeminent, prestigious
all-important, central, critical, crucial, essential, key, pivotal, seminal, vital
2
of a size greater than average of its kind
astronomical (also astronomic), Brobdingnagian, bumper, Bunyanesque, cavernous, colossal, cosmic (also cosmical), cyclopean, elephantine, enormous, galactic, gargantuan, gigantic, gross, hellacious, herculean, heroic (also heroical), Himalayan, huge, humongous (also humungous), immense, jumbo, king-size (or king-sized), leviathan, major, mammoth, massive, monolithic, monstrous, monumental, mountainous, pharaonic, prodigious, staggering, stupendous, super, super-duper, supersized, titanic, tremendous, vast, vasty, walloping, whacking, whopping
excessive, exorbitant, extravagant, extreme, immoderate, inordinate
diminutive, half-pint, infinitesimal, Lilliputian, little-bitty, microminiature, microscopic (also microscopical), mini, miniature, minuscule, minute, pint-size (or pint-sized), pocket-size (also pocket-sized), pygmy, teensy, teensy-weensy, teeny, teeny-weeny, tiny, wee
3
relating to or composed of matter
4
sufficiently large in size, amount, or number to merit attention
biggish, considerable, good, goodly, handsome, healthy, largish, major, respectable, significant, sizable (or sizeable), substantive, 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
Learn More about substantial
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Dictionary: Definition of substantial Spanish Central: Translation of substantial Nglish: Translation of substantial for Spanish speakers Britannica English: Translation of substantial for Arabic speakers
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