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.

DANGEROUS definition: full of danger danger or risk; causing danger; danger; perilous; risky; hazardous; unsafe. See examples of dangerous used in a sentence.

DANGEROUS definition: 1. A dangerous person, animal, thing, or activity could harm you: 2. A dangerous person, animal…. Learn more.

1. something that may cause harm or injury.

Aug 6, 2025 · Uncover the meaning of "dangerous." This glossary entry provides definitions, etymology, real-world examples, synonyms, antonyms, and common phrases, enhancing your vocabulary and …

Liable to inflict injury or harm; baneful in disposition or tendency: as, a dangerous man; a dangerous illness. In danger, as from illness; in a perilous condition: as, he is not dangerous.

Dangerous Sentence Examples You're treading on dangerous ground. It would be dangerous to move now. If it was so dangerous out there in the woods, why did Giddon feel so safe? I don't want some …

dan•ger•ous•ly, adv. WordReference Random House Unabridged Dictionary of American English © 2025 dan•ger•ous (dān′ jər əs, dānj′ rəs), adj. full of danger or risk; causing danger; perilous; risky; …

Use the word dangerous to describe anything that can potentially cause serious harm, like a snarling pit bull or an icy, treacherous road.

Definition of dangerous adjective in Oxford Advanced American Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.