monster

unusually large a monster truck competition Synonyms astronomical (also astronomic), Brobdingnagian, bumper, colossal, cosmic (also cosmical), cyclopean, elephantine, enormous, galactic, gargantuan, giant, gigantesque, gigantic, grand, herculean, heroic (also heroical), Himalayan, humongous (also humungous), immense, jumbo, king-size (or king-sized), leviathan, mammoth, massive, mega, mighty, huge, 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 (also outsized), overgrown, oversize (or oversized), sizable (or 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 (or pint-sized), puny, small, smallish, undersized (also undersize); dinky, dwarfish, half-pintAntonyms bantam, bitty, diminutive, infinitesimal, Lilliputian, little bitty, micro, microminiature, microscopic (also microscopical), midget, miniature, minuscule, minute, pocket, pygmy, teensy, teensy-weensy, teeny, teeny-weeny, tiny, wee

1 a strange or horrible and often frightening creature both children insisted that their parents check under the bed for monsters every night Synonyms grotesque, grotesquerie (also grotesquery), monstrosity, ogre Related Words ogress; Frankenstein; bête noire, bogey (also bogie or bogy), bugaboo, bugbear; banshee, bogeyman (also bogyman), demon (or daemon), devil, fiend, fright, imp, incubus; horror, terror; abomination, anathema; abnormality, freak; mutant, mutation

2 a person, thing, or event that is far from normal the gardener destroyed all of the monsters that mutated from his tomato plants Synonyms abnormality, anomaly, freak, monstrosityRelated Words abortion, malformation, miscreation, mutant, mutation; character, crackbrain, crackpot, crank, eccentric, kook, nut, oddball, screwball, weirdo; aberrant, deviant; individualist, maverick, nonconformist; curiosity, peculiarity, singularity; aberration, exception, irregularity, oddity, rarityNear Antonyms sample, specimen; commonplace, usualAntonyms average, norm, normal, par, standard

3 a mean, evil, or unprincipled person the guards at the concentration camps were monsters who enjoyed seeing their victims suffer Synonyms baddie (or baddy), beast, brute, caitiff, devil, evildoer, fiend, heavy, hound, knave, meanie (also meany), miscreant, villain, nazi, no-good, rapscallion, rascal, reprobate, rogue, savage, scalawag (or scallywag), scamp, scapegrace, scoundrel, varlet, wretchRelated Words villainess; blackguard; criminal, crook, culprit, felon, lawbreaker, malefactor, offender, perp, perpetrator, transgressor; sinner, trespasser, wrongdoer; cad, heel, serpent, snake, viper; bandit, bravo, desperado, outlaw; con, convict, jailbird; assassin, cutthroat, gangster, goon, gunman, hoodlum, hooligan, racketeer, ruffian, thug; rough, rowdy, tough; loser, lowlife, ne'er-do-well, stinker, trashNear Antonyms angel, innocent, saint; hero

4 something large of its kind a monster of a sandwich that could easily feed two hearty eaters Synonyms behemoth, blockbuster, colossus, dinosaur, dreadnought, elephant, Goliath, jumbo, leviathan, mammoth, mastodon, giant, titan, whale, whopperRelated Words amazon, giantess; bulk, hulk; heavyweight; juggernaut, steamrollerNear Antonyms lightweight, weakling, wimp, wisp; nonentity, twerp, whippersnapperAntonyms diminutive, dwarf, half-pint, midget, mite, peewee, pygmy (also pigmy), runt, shrimp