Synonyms for

Dangerous

Verb / ˈdeɪndʒɜ:ʌs / Another word for dangerous — explore alternatives below. For syllable breakdowns and pronunciation, see this word on Syllablesworld.

Definition

likely to cause harm or injury

Synonyms & similar words

severe safe unsafe grievous lifethreatening serious grave hazardous risky perilous unsafe threatening uncertain unpredictable treacherous menacing precarious chancy dodgy harmful injurious destructive fatal lethal deadly noxious toxic

Synonyms by register

Formal

perilous hazardous risky precarious

Informal

tricky dicey sketchy gnarly

Literary

dire fateful baleful

Antonyms

safe secure harmless protected unhazardous innocuous

Common collocations

  • dangerous situation
  • dangerous animal
  • dangerous territory
  • dangerous levels
  • dangerous goods
  • dangerous precedent
  • dangerous driving

Word family

noun danger
verb endanger
adverb dangerously

Usage note

While 'dangerous' can describe physical threats, it can also refer to abstract risks, such as 'dangerous ideas'. It generally carries a strong negative connotation.

Example sentences

  1. It is dangerous to play with fire.
  2. Swimming in the ocean can be dangerous.
  3. Driving without a seatbelt is dangerous.
  4. The chemicals in this cleaning product are very dangerous.
  5. Climbing to the top of a tall mountain can be dangerous.

Quotes

  • The most dangerous enemy is one who has nothing to lose.
  • The most dangerous thing in the world is a bored cat.
  • The most dangerous animal in the world is a silent smiling woman.

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