/ Dictionary / Index I irriguous: Meaning and Definition of Find definitions for: ir•rig•u•ous Pronunciation: (i-rig'y-us), [key] — adj. Archaic. well-watered, as land. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. irrigative irritability Related Content Daily Word Quiz: acquiesce Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language