This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

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adj. Relating to or suggestive of a giant.

adj. Exceedingly large of its kind: a gigantic toadstool.

adj. Very large or extensive: a gigantic corporation. See Synonyms at enormous.

adj. Very large.

adj. In the manner of a giant.

adj. Of extraordinary size; like a giant.

adj. Such as a giant might use, make, or cause; immense; tremendous; extraordinarly

Resembling a giant; of extraordinary size or proportions; very large; huge; enormous.

Pertaining to or suitable for a giant; characteristic of giants; immense in scale or degree.

Synonyms Colossal, vast, immense, prodigious, mighty, ponderous, herculean, cyclopean.

adj. so exceedingly large or extensive as to suggest a giant or mammoth

"For at such times, when he found his martial spirit waxing hot within him, he would prudently sally forth into the fields, and lugging out his trusty sabre, of full two flemish ells in length, would lay about him most lustily, decapitating cabbages by platoons — hewing down whole phalanxes of sunflowers, which he termed gigantic"

big    large   

enormous   

giant   

gigantism   

immense    tremendous    extraordinarly    gigantesque   

Atlantic    Germanic    Hispanic    Magellanic    Oceanic   

huge    monstrous    golden    giant    colossal