/ Dictionary / Index D dangerous: Meaning and Definition of Find definitions for: dan•ger•ous Pronunciation: (dān'jur-us, dānj'rus), [key] — adj. full of danger or risk; causing danger; perilous; risky; hazardous; unsafe. able or likely to cause physical injury: a dangerous criminal. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: dangerous (Thesaurus) Danger Cave dangle Related Content Daily Word Quiz: diligent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language