Breadcrumb Home > 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: hortatory Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language