Definition for Gigantic:

• Of extraordinary size; like a giant.

Synonyms for Gigantic:

• adj.

  •Herculean (adjective)
  • mighty,
  • impressive,
  • heroic.
  •astronomical (adjective)
  • considerable,
  • epic,
  • sizeable,
  • astronomic,
  • Mega,
  • very large,
  • ginormous.
  •big (adjective)
  • extensive,
  • copious,
  • strapping,
  • ample,
  • sizable,
  • hefty,
  • voluminous,
  • capacious,
  • burly,
  • bulky,
  • commodious,
  • roomy,
  • thundering,
  • ponderous,
  • substantial,
  • spacious,
  • fat.
  •colossal (adjective)
  • super.
  •elephantine (adjective)
  • towering,
  • humongous,
  • grand.
  •enormous (adjective)
  • gross,
  • excessive.
  •gigantic (adjective)
  • blimp,
  • massive,
  • titan,
  • immense,
  • Moby.
  •great (adjective)
  • extravagant,
  • abundant,
  • terrible,
  • extreme,
  • lengthy,
  • inordinate,
  • grievous,
  • long.
  •high (adjective)
  • sky-scraping,
  • sky-high.
  •large (adjective)
  • grandiose,
  • baggy,
  • lofty,
  • majestic,
  • magnificent,
  • awesome,
  • expansive,
  • princely,
  • soaring,
  • generous,
  • cavernous,
  • comprehensive.

• n.

  •
  • behemoth,
  • monster,
  • monstrous,
  • herculean.

• Other synonyms:

  •
  • jumbo,
  • Bunyanesque,
  • mastodonic,
  • Pythonic.
  •
  • titanic.
  •Other relevant words:
  • indefinitely,
  • well-knit,
  • amplitudinous,
  • incontinent,
  • gangly,
  • out-and-out,
  • glaring,
  • fancy,
  • immeasurable,
  • characterless,
  • unrestrained,
  • measureless,
  • splinter,
  • athletic,
  • horrific,
  • majuscule,
  • corpulent,
  • indeed,
  • elevated,
  • exquisitely,
  • unsurpassed,
  • obese,
  • imposing,
  • extraordinary,
  • scrap,
  • beetling,
  • horrible,
  • Swapping,
  • prestigious,
  • able-bodied,
  • fabulous,
  • unrivalled,
  • indeterminate,
  • unforgivable,
  • tall,
  • loose,
  • lanky,
  • most,
  • immeasurably,
  • brawny,
  • incalculably,
  • enough,
  • long-legged,
  • beyond compare,
  • outstanding,
  • upper,
  • galactic,
  • so,
  • immoderate,
  • limitless,
  • pharaonic,
  • wiry,
  • well,
  • lank,
  • beyond measure,
  • king-sized,
  • not a little,
  • basic,
  • very much,
  • overdeveloped,
  • abysmal,
  • flagrant,
  • solid,
  • extremely,
  • powerfully,
  • magniloquent,
  • unparalleled,
  • arrant,
  • highest,
  • stalwart,
  • extra-large,
  • muckle,
  • unequally,
  • ever so,
  • rag,
  • never-ending,
  • outrageous,
  • unconscionable,
  • tag,
  • very,
  • supersized,
  • unbridled,
  • broad,
  • leggy,
  • hyperbolic,
  • deal,
  • oversized,
  • interminable,
  • hanging,
  • no end of,
  • beefy,
  • Vasty,
  • hypertrophied,
  • in the extreme,
  • ultra,
  • rigid,
  • incalculable,
  • muscular,
  • unbending,
  • bad,
  • heinous,
  • invulnerable,
  • formidable,
  • adipose,
  • unbounded,
  • planetary,
  • exceedingly,
  • exaggerated,
  • egregious,
  • out of sight,
  • awful,
  • horrendous,
  • boundless,
  • featureless,
  • sinewy,
  • thumping,
  • overlarge,
  • richly,
  • gluttonous,
  • cardinal,
  • uniform,
  • cosmic,
  • infinitely,
  • impenetrable,
  • undifferentiated,
  • unmatched,
  • exalted,
  • whacking,
  • too much,
  • Gigantean,
  • unreasonable,
  • intractable,
  • undue,
  • much,
  • overgrown,
  • consummate,
  • inflexible,
  • macro,
  • stolid,
  • significant,
  • heavy,
  • staggering,
  • overmuch,
  • stiff,
  • unlimited,
  • steep,
  • pretty,
  • acutely,
  • intemperate,
  • countless,
  • overweening,
  • rangy,
  • endless,
  • giantlike,
  • intensely,
  • Cosmical,
  • gangling,
  • greatly,
  • paramount,
  • pretty well,
  • shred,
  • immovable,
  • exorbitant,
  • supreme,
  • Overgreat,
  • infinite,
  • weighty,
  • uppercase,
  • eminent,
  • broad-shouldered,
  • superior,
  • statuesque,
  • topmost,
  • profound,
  • outsized,
  • wide,
  • inexhaustible,
  • abandoned.

Paraphrases for Gigantic:

• Equivalence

  • Adjective
    huge, giant, mammoth, massive, immense, colossal, gargantuan.
  • Noun, singular or mass
    giant.

• Independent

  • Adjective
    overwhelming, big, dramatic, large-scale, staggering, significant, voluminous, quantum, monstrous, mighty, terrific, tidal, momentous, extraordinary, prodigious, phenomenal, major, whopping, sweeping, Mega, immeasurable, incredible.

• Other Related

  • Adjective
    enormous, tremendous, vast, monumental, daunting, formidable, great, considerable, large, herculean, substantial, yawning, gaping.

Antonyms for Gigantic:

• adj.

  • astronomical
    insignificant.
  • big
    itsy.
  • enormous
    minute.
  • giant
    minor, dwarf.
  • gigantic
    miniature, miniscule, small, little, teeny, Dwarfed, tiny.
  • great
    short, few.
  • Other antonyms:
    mini, inconsiderable, midget, micro, wee, narrow, brief, slight, undersized, slender, half-pint, petty, limited, trifling, trivial, petite, mean, scanty, paltry, pint-size.

• n.

  • gigantic
    lilliputian.