Synonyms for dangerous
- adjective
Synonyms by meaning
Adjective
1. Unsafe — full of danger
unsafe, risky, hazardous, perilous, treacherous, dicey, precarious, parlous, chancy, unreliable, insecure, jeopardous rare
2. Serious
serious, critical, life-threatening, grievous, extreme, severe, wicked, desperate, forbidding, grave
Other
insidious, breakneck, dangersome rare, periculous rare
Definitions
- adj. 1
Full of danger.
Railway crossings without gates are highly dangerous.
- adj. 2
Causing danger; ready to do harm or injury.
Related words
- Word family
- dangerosity dangerousness danger dangerously
- Phrases
- dangerous goods dangerous drug
Choose the right word
Formidable is a word of more dignity than dangerous, and suggests more calm and collected power than terrible; formidable is less overwhelming than tremendous. A loaded gun is dangerous; a park of artillery is formidable; a charge of cavalry is terrible; the full shock of great armies is tremendous.
J. C. Fernald, English Synonyms and Antonyms (1914)
Example sentences
- risky It would probably be risky to do that by yourself.
- hazardous Too much drinking may be hazardous to your health.
- unsafe Do you really think it would be unsafe to do that?
- perilous A secret cove was hidden by perilous-looking rocks.
- serious Loss of health is more serious than loss of money.
By length
- 5 letters
- grave1, risky2, dicey2
- 6 letters
- severe2, wicked2, unsafe2, chancy2
- 7 letters
- serious3, extreme2, parlous
- 8 letters
- critical3, insecure3, perilous3, grievous2
- 9 letters
- desperate2, hazardous3, insidious4, breakneck2
- 10 letters
- unreliable5, precarious4, forbidding3, jeopardous, dangersome, periculous
- 11 letters
- treacherous3
The small number after each word is its number of syllables (risky2 = 2 syllables).
In other languages
- Français
- dangereux
- Italiano
- pericoloso
- Español
- peligroso
- Deutsch
- gefährlich
- Català
- perillós