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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.
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 behavior.
(a person, thing etc which causes or could cause) danger or possible loss or injury.
If an activity or action is risky, it is dangerous or likely to fail. Investing in airlines is a very risky business. It's risky to assume that we know what voters will be thinking in a year's time.
risky, adj. meanings, etymology, pronunciation and more in the Oxford English Dictionary
Definition of risky adjective in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.
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: attended with or involving risk; hazardous. See examples of risky used in a sentence.
Jan 20, 2026 · Adjective risky (comparative riskier, superlative riskiest) Dangerous, involving risks.
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 venture", "risky shift p...
