Warned I Warn Warning Verb Wɔːn Wɔːrn Listen

• i tried to warn him, but he wouldn't listen.
• if you're thinking of getting a dog, be warned—they take a lot of time and money.
• security experts warned about the problems months ago.
• he warned us against pickpockets.

warn

Verb Forms

1. to tell somebody about something, especially something dangerous or unpleasant that is likely to happen, so that they can avoid it
• PAST PARTICIPLE OF fly
  https://www.oxfordlearnersdictionaries.com/definition/english/fly_2
• I tried to warn him, but he wouldn't listen.
• If you're thinking of getting a dog, be warned—they take a lot of time and money.
• Security experts warned about the problems months ago.
• He warned us against pickpockets.
• Officials warned the pilot of an anonymous threat.
• He has been warned of the danger he is in.
• Police have warned of possible delays.
• He is warning youngsters about the dangers of fireworks.
• Aid agencies have repeatedly warned that a humanitarian catastrophe is imminent.
• She was warned that if she did it again she would lose her job.
• I had been warned what to expect.
• ‘Beware of pickpockets,’ she warned (him).

Extra Examples

• Having been duly warned that I would get nowhere with my application, I went right ahead and applied anyway.
• I did try to warn you.
• I must warn you that some of these animals are extremely dangerous.
• I thought I should warn her about it.
• No one had warned us about the unbearable heat.
• She claimed doctors had failed to warn her of the risks involved.
• The report warns of the dangers of obesity.
• They warned us of the risks involved.
• You will get better—but be warned, it may be a long process.
• The commander had been warned of the attack.
2. to strongly advise somebody to do or not to do something in order to avoid danger or punishment
• SYNONYM advise
  https://www.oxfordlearnersdictionaries.com/definition/english/advise
• The guidebook warns against walking alone at night.
• He hit the other child, despite being warned about the consequences of such behaviour.
• He warned Billy to keep away from his daughter.
• ‘I’m warning you!’ said James, losing his patience.
• They were warned not to climb the mountain in such bad weather.

Extra Examples

• We were warned against drinking the local water.
• We were specifically warned against buying the house.
• The chancellor bluntly warned the Cabinet to axe public spending or face higher taxes.
• My mother constantly warned me not to go into teaching.
3. to give somebody an official warning after they have broken a rule
• The referee warned him for dangerous play.

Word Origin

• Old English war(e)nian, wearnian, from a West Germanic base meaning ‘be cautious’.