Merriam-Webster Online Dictionary
mighty (adjective)1.
possessing - might powerful
2.
accomplished or characterized by might - a mighty thrust
3.
great or imposing in size or extent - extraordinary
- extremely very a mighty handy gadget
Merriam-Webster Online Thesaurus
mighty (adjective)1.
having great power or influence
SYNONIMS:
heavy, heavy-duty, influential, mighty, potent, powerful, puissant, significant, strongRELATED WORDS:
high-level, senior, top; able, capable, competent, effective, efficient; authoritarian, autocratic ( autocratical), despotic, dictatorial, magisterial, tyrannical ( tyrannic); celebrated, distinguished, dominant, eminent, famed, famous, great, illustrious, noble, notable, noteworthy, notorious, outstanding, preeminent, prestigious, prominent, renowned; dynamic, energetic, forceful, high-powered, robust, vigorousNEAR ANTONYMS:
feeble, flimsy, frail, infirm; anonymous, nameless, obscure, uncelebrated, unknown; incapable, incompetent, ineffective, inept, inexpert, unfit, unqualified, unskilled, unskillful2.
unusually large
SYNONIMS:
astronomical ( astronomic), Brobdingnagian, bumper, colossal, cosmic ( cosmical), cyclopean, elephantine, enormous, galactic, gargantuan, giant, gigantesque, gigantic, grand, herculean, heroic ( heroical), Himalayan, humongous ( humungous), immense, jumbo, king-size ( king-sized), leviathan, mammoth, massive, mega, mighty, monster, monstrous, monumental, mountainous, oceanic, pharaonic, planetary, prodigious, super, super-duper, supersize, supersized, titanic, tremendous, vast, vasty, walloping, whacking, whoppingRELATED WORDS:
big, bulky, considerable, extensive, good, goodly, great, gross, handsome, hefty, hulking, largish, major, outsize ( outsized), overgrown, oversize ( oversized), sizable ( sizeable), substantial, tidy, voluminous; august, formidable, grandiose, imposing, lofty, majestic; cavernous, monolithic, overwhelming, staggering, stupendous, towering; boundless, immeasurable, infiniteNEAR ANTONYMS:
little, mini, petite, pint-size ( pint-sized), puny, small, smallish, undersized ( undersize); dinky, dwarfish, half-pintto a great degree
SYNONIMS:
achingly, almighty, archly, awful, awfully, badly, beastly, blisteringly, bone, colossally, corking, cracking, damn, damned, dang, deadly, desperately, eminently, enormously, especially, ever, exceedingly ( exceeding), extra, extremely, fabulously, fantastically, far, fiercely, filthy, frightfully, full, greatly, heavily, highly, hugely, immensely, incredibly, intensely, jolly, majorly, mightily, mighty, monstrous, mortally, most, much, particularly, passing, rattling, real, really, right, roaring, roaringly, seriously, severely, so, sore, sorely, spanking, specially, stinking, such, super, supremely, surpassingly, terribly, that, thumping, too, unco, uncommonly, vastly, vitally, way, whacking, wicked, wildlyRELATED WORDS:
absolutely, altogether, completely, downright, entirely, flat-out, fully, positively, purely, radically, thoroughly, totally, utterly, wholly; deeply, profoundly; exceptionally, notably, remarkably; considerably, extensively, significantly, substantially; appreciably, discernibly, markedly, noticeably, obviously, palpably, plainly, visibly; abundantly, plentifully; astronomically, grandly, monstrously, monumentally; excessively, obscenely, overmuch; amazingly, astonishingly, staggeringlyNEAR ANTONYMS:
meagerly, scantily; barely, hardly, just, marginally, minimally, scarcely