Definition of Precarious: Precarious (adjective): Not securely held or in position; dangerously likely to fall or collapse; dependent on chance; uncertain. Synonyms: unstable, risky, insecure, perilous Antonyms: secure, stable, safe, certain Memory Tip: Think of “precarious” as standing on the edge of a cliff, where one wrong move could send you tumbling down. Conversation and…