adjective

dangerous

dangerous, risky, hazardous

That is a very dangerous road.

That is a very dangerous road.

It is dangerous to swim here.

It is dangerous to swim here.

a dangerous ((noun)) likely to cause harm That is a dangerous animal.

dangerous ((to-inf)) involving risk to do (sth.) It is dangerous to play with fire.

Synonyms: risky, hazardous, unsafe; Antonyms: safe, secure, harmless

From 'danger' + the suffix '-ous' (full of). Literally 'full of danger'.

The suffix '-ous' means 'full of'. So, 'dangerous' is 'full of danger', just like 'famous' is 'full of fame'.

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