/ Dictionary / Index J jeopardous: Meaning and Definition of Find definitions for: jeop•ard•ous Pronunciation: ( jep'ur-dus), [key] — adj. perilous; dangerous; hazardous; risky. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. jeopardize jeopardy Related Content Daily Word Quiz: panacea Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language