Fantastic — Meaning, Definition & Synonyms

Fantastic (adjective) — Senses, Synonyms & Antonyms

1. conceived or made without regard for reason or reality

   "a fantastic scheme for getting rich quick"

   similar: absurd, bizarre, crazy, fanciful, foolish, insane, nonsensical, preposterous, unreal, wild, off the wall (slang)
   related: implausible, inconceivable, incredible, unbelievable, unimaginable, unthinkable, extravagant, grotesque, bizarro, curious, eccentric, far-out, funny, kinky, kooky, odd, outlandish, out-of-the-way, outré, peculiar, quaint, queer, queerish, quirky, screwy, strange, wacky, way-out, weird, farcical, laughable, ludicrous, ridiculous, Alice-in-Wonderland, Kafkaesque, nightmarish, dreamlike, surreal
   opposite: realistic, reasonable

2. excitingly or mysteriously unusual

   "to European explorers, the Far East was a fantastic land filled with unimaginable riches"

   similar: bizarro, exotic, glamorous, marvelous, outlandish, romantic, strange
   related: colorful, picture-book, picturesque, quaint, alien, foreign, dark, distant, faraway, remote, alluring, captivating, enchanting, fascinating, magical
   opposite: familiar, nonexotic, nonglamorous, plain-Jane, unexotic, unglamorous, unromantic

3. not real and existing only in the imagination

   "a science fiction writer who can conjure up fantastic worlds and make them seem as real as our own"

   similar: chimerical, fabulous, fanciful, fantasied, fictional, fictitious, ideal, imaginal, imaginary, imagined, invented, made-up, make-believe, mythical, notional, phantasmal, phantasmic, phantom, pretend, unreal, visionary
   related: fabled, legendary, romantic, abstract, hypothetical, theoretical, unbelievable, unconvincing, unlikely, conceived, envisaged, envisioned, pictured, visualized, daydreamlike, deceptive, delusional, delusive, hallucinatory, illusory, phantasmagoric, concocted, fabricated, feigned, fictive, inexistent, nonexistent
   opposite: actual, existent, existing, real
   near: authentic, genuine, true, factual, verifiable, verified, believable, convincing, realistic, corporeal, material, physical, solid, substantial, palpable, tangible

4. too extraordinary or improbable to believe

   "concocted some fantastic story to try to explain why they had returned home so late"

   similar: implausible, inconceivable, incredible, incredulous, unbelievable, uncompelling, unconceivable, unconvincing, unimaginable, unthinkable, full of it
   related: debatable, disputable, dodgy (chiefly British), doubtable, doubtful, dubious, dubitable, far-fetched, fishy, flimsy, questionable, shaky, suspect, suspicious, unlikely, unreasonable, hopeless, impossible, absurd, comical, farcical, laughable, ludicrous, outlandish, preposterous, ridiculous, risible, silly, indefensible, insupportable, untenable
   opposite: believable, cogitable, conceivable, convincing, credible, creditable, imaginable, plausible, supposable, thinkable
   near: likely, possible, probable, reasonable, certain, incontestable, indisputable, indubitable, questionless, sure, undeniable, undoubted, unquestionable

5. of the very best kind

   "surfing conditions were simply fantastic"

   similar: A-OK, A1, awesome, bang-up, banner, beautiful, blue-chip, blue-ribbon, boffo, bonny (chiefly British), boss (slang), brag, brave, bully, bumper, capital, choice, classic, cool (slang), corking, crackerjack, cracking, dandy, divine, dope (slang), down (slang), dynamite, excellent, fab, fabulous, famous, fantabulous (slang), fine, first-class, first-rate, first-string, five-star, four-star, frontline, gangbusters, gilt-edged, gone (slang), grand, great, groovy, heavenly, high-class, hot, hype (slang), immense, jim-dandy, keen, lovely, marvelous, mean, neat, nifty, noble, number one, numero uno, out-of-sight (slang), par excellence, peachy, peachy keen, phat (slang), prime, primo (slang), prize, prizewinning, quality, radical (slang), righteous (slang), sensational, slick, splendid, stellar, sterling, superb, superior, superlative, supernal, swell, terrific, tip-top, top, top-notch, top-of-the-line, top-shelf, topflight, topping (chiefly British), unsurpassed, wizard (chiefly British), wonderful, out of this world, too much
   related: acceptable, adequate, all right, decent, good, OK, passable, satisfactory, tolerable, better, exceptional, fancy, high-grade, high-test, premium, select, special, superfine, classical, standard, traditional
   opposite: atrocious, awful, execrable, lousy, pathetic, poor, rotten, terrible, vile, wretched
   near: bad, inferior, low-grade, substandard, unsatisfactory, mediocre, middling, second-class, second-rate