The meaning of GIGANTIC is exceeding the usual or expected (as in size, force, or prominence). How to use gigantic in a sentence. Synonym Discussion of Gigantic.

1. Exceedingly large in size, extent, or amount, especially for its kind: a gigantic toadstool. See Synonyms at enormous. 2. Very great in scope or importance: a gigantic mistake.

Add to word list extremely large: a gigantic shopping center (Definition of gigantic from the Cambridge Academic Content Dictionary © Cambridge University Press)

If you describe something as gigantic, you are emphasizing that it is extremely large in size, amount, or degree.

Definition of gigantic adjective in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

Gigantic definition: Exceedingly large in size, extent, or amount, especially for its kind.

Dec 14, 2025 · gigantic (comparative more gigantic, superlative most gigantic) Very large. quotations

Gigantic means extraordinarily large or huge. Some things are more than huge—they’re gigantic. The word is most often applied to physical objects whose size makes you marvel with awe. Blue whales …

Gigantic is an adjective used to describe something that's really big, as though it were made for a giant. You might call a skyscraper a gigantic building, especially if it towers over other buildings nearby.

There are three meanings listed in OED's entry for the adjective gigantic, one of which is labelled obsolete. See ‘Meaning & use’ for definitions, usage, and quotation evidence.