/ Dictionary / Index G gigantean: Meaning and Definition of Find definitions for: gi•gan•te•an Pronunciation: (jī"gan-tē'un, jī-gan'tē-un, ji-), [key] — adj. gigantic. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. gigahertz Gigantes Related Content Daily Word Quiz: crutiny Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language