dangerous applies to something that may cause harm or loss unless dealt with carefully.
soldiers on a dangerous mission
hazardous implies great and continuous risk of harm or failure.
claims that smoking is hazardous to your health
precarious suggests both insecurity and uncertainty.
earned a precarious living by gambling
perilous strongly implies the immediacy of danger.
perilous mountain roads
risky often applies to a known and accepted danger.
shied away from risky investments
Examples of risky in a Sentence
Her plan is too risky.
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The Edinburgh Fringe comes to a close Monday, wrapping up the monthlong performing arts festival that has become a proving ground for some of theater's riskiest, weirdest and most original work.—
Rebecca Rosman,
NPR,
31 Aug. 2026 Pittsburgh, and most of Western Pennsylvania, will see a major heat risk, meaning the heat is dangerous for anyone without effective cooling or adequate hydration and can be risky for anyone active in the sun or people in heat-sensitive groups.—
Finch Walker,
USA Today,
31 Aug. 2026 Drugs such as Lamictal and lithium, along with anticonvulsants and antipsychotics, can help control manic and depressive episodes, quiet racing thoughts and sleep problems, and curb risky behavior.—
Jen Christensen,
CNN Money,
29 Aug. 2026 The concept depends on a lot of high-stakes assumptions about future growth in a specific area, which is one reason critics see it as risky.—
Aj Willingham,
AJC.com,
28 Aug. 2026 See All Example Sentences for risky