Definition for Fantastic:

• Imaginary; fanciful; unreal; full of absurd fancies; capricious.

Synonyms for Fantastic:

• adj.

  •all (adjective)
  • wild.
  •deceptive (adjective)
  • illusory,
  • delusive.
  •delusive (adjective)
  • seeming.
  •enormous (adjective)
  • monstrous,
  • towering,
  • massive,
  • severe,
  • huge,
  • humongous,
  • overwhelming,
  • cracking.
  •exaggerated (adjective)
  • sensational.
  •exceptional (adjective)
  • peculiar,
  • striking,
  • notable,
  • excellent,
  • noteworthy,
  • miraculous,
  • exotic,
  • remarkable,
  • exceptional,
  • Wonderous,
  • novel,
  • unusual,
  • superior,
  • outstanding.
  •fictitious (adjective)
  • cooked-up,
  • figmental,
  • trumped-up.
  •foolish (adjective)
  • loony,
  • tomfool,
  • imbecilic,
  • loopy.
  •illusive (adjective)
  • hallucinatory,
  • phantasmic,
  • phantasmagoric,
  • phantasmal.
  •imaginary (adjective)
  • conceptual,
  • hypothetical,
  • Non-existent,
  • suppositional,
  • speculative,
  • apparitional,
  • inventive.
  •mind-boggling (adjective)
  • unimaginable.
  •offensive (adjective)
  • outrageous.
  •spooky (adjective)
  • eerie.
  •strange, different; imaginary (adjective)
  • nonsensical,
  • insane,
  • crazy,
  • irrational,
  • erratic,
  • foreign,
  • implausible,
  • singular,
  • eccentric,
  • comical,
  • artificial,
  • odd,
  • weird,
  • queer,
  • suppositious,
  • out of sight,
  • illusive,
  • unlikely,
  • wacky,
  • absurd,
  • misleading,
  • ludicrous,
  • incredible.
  •suppositional (adjective)
  • conjectural,
  • Prophesied,
  • presumed,
  • theoretical.
  •uncanny (adjective)
  • superhuman,
  • supernormal,
  • magical.
  •unreal (adjective)
  • unsubstantial.
  •visionary (adjective)
  • visionary.
  •wonderful, excellent (adjective)
  • cat's meow,
  • a-1,
  • first-rate,
  • like wow,
  • best,
  • delicious,
  • best ever,
  • awesome.

• n.

  •
  • unbelievable.
  •
  • good.
  •
  • superb,
  • swell,
  • super.
  •fantastic (noun)
  • antic,
  • howling,
  • wondrous,
  • unreal,
  • rattling,
  • unrealistic,
  • marvellous.

• Other synonyms:

  •
  • mythological,
  • ripping,
  • invented,
  • notional,
  • fictional,
  • fictive,
  • nifty,
  • astounding.
  •
  • extreme,
  • unpredictable,
  • astonishing,
  • mercurial,
  • amazing,
  • chimeric.
  •
  • made-up,
  • variable,
  • inconsistent,
  • temperamental,
  • capricious,
  • inconstant.
  •
  • ticklish,
  • changeable,
  • volatile,
  • fickle,
  • dandy.
  •
  • unstable,
  • unsteady,
  • glorious.
  •
  • keen,
  • cool,
  • neat,
  • hot,
  • divine.
  •
  • uncertain.
  •transcendent
  • transcendental.

Paraphrases for Fantastic:

• Equivalence

  • Coordinating conjunction
    terrific.
  • Adjective
    extraordinary, superb, fanciful, exciting, exquisite, delightful, marvelous, exceptional, sublime, beautiful, magnificent, amazing, terrific.
  • Proper noun, singular
    magnificent, amazing, terrific.
  • Noun, singular or mass
    magnificent, amazing, terrific.
  • Adverb
    magnificent, terrific.
  • Interjection
    superb, marvelous, magnificent, amazing, terrific.

• Reverse Entailment

  • Adjective
    fantastical.

• Independent

  • Coordinating conjunction
    nice.
  • Adjective
    astonishing, formidable, astounding, sensational, fascinating, imaginary, fancy, imaginative, impressive, phenomenal, staggering, wondrous, breathtaking, scrumptious, handsome, huge, first-rate, enormous, ravishing, surprising, nice, admirable, glorious, special, grand, enchanting, neat, crazy, daunting, immense, first-class, dramatic.
  • Proper noun, singular
    fantasy.
  • Noun, singular or mass
    beautiful, fantasy, nice.
  • Interjection
    demonstrators, guys, formidable, nice, glorious, neat, absolutely.
  • Verb, 3rd person singular present
    laughs.

• Other Related

  • Adjective
    magical.
  • Interjection
    beautiful.

Antonyms for Fantastic:

• adj.

  • enormous
    insignificant, unimportant, miniature, minute.
  • strange, different; imaginary
    realistic, usual, logical, unpleasant, rational, plausible, ordinary, tiny, plain, commonplace, believable, small, unimaginative, normal, common, sane, serious, regular, little, conventional, Familiar, customary, real, balanced, credible.
  • wonderful, excellent
    unamazing.
  • Other antonyms:
    likely, supposable, palpable, prosaic, existent, terrible, atrocious, vile, existing, thinkable, second-rate, execrable, Questionless, verifiable, solid, mediocre, poor, material, authentic, bad, substandard, low-grade, creditable, convincing, rotten, calculated, genuine, verified, tangible, indisputable, possible, sure, unglamorous, actual, unromantic, probable, substantial, pathetic, physical, calculable, lousy, sound, undeniable, corporeal, literal, factual, unquestionable, indubitable, imaginable, undoubted, incontestable, conceivable, unsatisfactory, awful, certain, accurate, inferior, sensible, reasonable, wretched, middling, true, cogitable.