enormous, immense, huge, vast, gigantic, colossal, mammoth mean exceedingly large. enormous and immense both suggest an exceeding of all ordinary bounds in size or amount or degree, but enormous often adds an implication of abnormality or monstrousness.
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 are gigantic. Skyscrapers are gigantic. The Grand Canyon is gigantic.
Define gigantic. gigantic synonyms, gigantic pronunciation, gigantic translation, English dictionary definition of gigantic. adj. 1. Exceedingly large in size, extent, or amount, especially for its kind: a gigantic toadstool.
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.
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.
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.
Gigantic [= huge, monstrous] waves were crashing on the beach. He made a gigantic [= huge] mistake when he quit his job.