WordReference Random House Unabridged Dictionary of American English © 2026
jeop•ard•ous
( jep′ər dəs),USA pronunciation adj.
- perilous;
dangerous;
hazardous;
risky.
- late Middle English j(e)upartous, equivalent. to j(e)upart(i) jeopardy + -ous -ous 1425–75