/ Dictionary / Index A adventurous: Meaning and Definition of Find definitions for: ad•ven•tur•ous Pronunciation: (ad-ven'chur-us), [key] — adj. inclined or willing to engage in adventures; enjoying adventures. full of risk; requiring courage; hazardous: an adventurous undertaking. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: adventurous (Thesaurus) adventurism adverb Related Content Daily Word Quiz: spectral Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language