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Foundation level · Year 4 · free

warn

verb · Say it: WORN

What it means

Foundation

to tell someone about a possible danger or problem before it happens

The lifeguard warned us not to swim beyond the red flags.

Similar and opposite words

Synonyms (similar meaning)

  • advise
  • alert
  • caution

More examples

  • Mum warned me that the pavement would be icy this morning.

Where the word comes from

It comes from the Old English word 'warnian', meaning to take heed.

Try a quick question

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

warn: meaning for children (11+ vocabulary) | Academy11+