Skip to main content

Foundation level · Year 4 · free

dangerous

adjective · Say it: DAYN-jer-us

What it means

Foundation

likely to cause harm or injury

It is dangerous to cross the road without looking both ways first.

Similar and opposite words

Synonyms (similar meaning)

  • hazardous
  • perilous
  • risky
  • unsafe

Antonyms (opposite meaning)

  • harmless
  • safe
  • secure

More examples

  • The lifeguard said the strong waves made swimming dangerous today.

Where the word comes from

From Old French 'dangier', meaning power to harm.

Try a quick question

One question about “dangerous”, the way 11+ papers ask it (Foundation level).