/ Dictionary / Index A adventuresome: Meaning and Definition of Find definitions for: ad•ven•ture•some Pronunciation: (ad-ven'chur-sum), [key] — adj. bold; daring; adventurous. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: adventuresome (Thesaurus) adventurer adventuress Related Content Daily Word Quiz: procrastinate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language