dangerous, hazardous, precarious, perilous, risky mean bringing or involving the chance of loss or injury. dangerous applies to something that may cause harm or loss unless dealt with carefully.

RISKY definition: attended with or involving risk; hazardous. See examples of risky used in a sentence.

It's risky to buy a car without some good advice. We shouldn't go there. It's too risky. Teenagers often engage in risky behaviour.

Definition of risky adjective in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

risky, adj. meanings, etymology, pronunciation and more in the Oxford English Dictionary

(a person, thing etc which causes or could cause) danger or possible loss or injury.

WordReference Random House Unabridged Dictionary of American English © 2025 risk•y (ris′ kē), adj., risk•i•er, risk•i•est. attended with or involving risk; hazardous: a risky undertaking.

risky definition: involving danger or the chance of failure. Check meanings, examples, usage tips, pronunciation, domains, and related words. Discover expressions like "risky business", "risky …

Physically hazardous things are risky, like a risky sky diving trick or a risky airplane landing attempt in high winds. It can also be risky to do something that makes you feel vulnerable, like telling someone …

Risky definition: Accompanied by or involving risk or danger; hazardous.