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.

dan•ger•ous•ly, adv. WordReference Random House Unabridged Dictionary of American English © 2026 dan•ger•ous (dān′ jər əs, dānj′ rəs), adj. full of danger or risk; causing danger; perilous; risky; …

(Definition of dangerous from the Cambridge Learner's Dictionary © Cambridge University Press)

Find 145 different ways to say DANGEROUS, along with antonyms, related words, and example sentences at Thesaurus.com.

Some common synonyms of dangerous are hazardous, perilous, precarious, and risky. While all these words mean "bringing or involving the chance of loss or injury," dangerous applies to something that …

Oct 22, 2025 · The most dangerous place in North Dakota is Fargo. North Dakota is one of the fastest-growing state in the U.S., but the population influx in some of these cities has been accompanied by …

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 …

Definition of dangerous. English dictionary and integrated thesaurus for learners, writers, teachers, and students with advanced, intermediate, and beginner levels.

Jan 26, 2026 · Adjective dangerous (comparative more dangerous or (nonstandard) dangerouser, superlative most dangerous or (nonstandard) dangerousest) Full of danger. Synonyms: hazardous, …