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warn

Line breaks: warn
Pronunciation: /wɔːn
 
/

Definition of warn in English:

verb

[reporting verb]
1Inform someone in advance of a possible danger, problem, or other unpleasant situation: [with object]: his father had warned him of what might happen [with direct speech]: ‘He’s going to humiliate you,’ John warned [no object]: traffic signals warned of fog [with clause]: the union warned that its members were going on strike
More example sentences
  • The report also warned of the dangers of failing to improve the lot of ordinary Iraqis.
  • It was a habit left over from the old days when the king and his ministers were thus warned of danger.
  • Because of the possible dangers we are warning customers not to use them.
Synonyms
notify, alert, apprise, give notice, inform, tell, let someone know, make someone aware, give a warning to, give fair warning to, forewarn, put someone on notice/guard, remind;
raise/sound the alarm
informal tip off, put wise
1.1 [with object] Give someone cautionary advice about their actions or conduct: he warned the chancellor against raising taxes [with object and infinitive]: police warned people not to keep large amounts of cash in their homes [no object]: they warned against false optimism
More example sentences
  • Police are warning drivers to remain cautious today after a winter storm dumped as much as 14 inches of snow on parts of eastern Virginia.
  • Whatever the reason, Shuggy's behaviour eventually prompted a police caution, warning him that if he didn't calm down then he would be in serious trouble.
  • Police are warning the public to be cautious when opening their door to strangers.
Synonyms
advise, exhort, urge, counsel, caution;
put on the alert, put someone on guard

Origin

Old English war(e)nian, wearnian, from a West Germanic base meaning 'be cautious'; compare with ware2.

Phrases

warn someone off the course

1
Horse Racing Prohibit someone who has broken the laws of the Jockey Club from riding or running horses at meetings under the Jockey Club’s jurisdiction.
Example sentences
  • Was this a chance to warn him off the course?
  • The murkier side of racing continued to make headlines as talented ex-jockey Graham Brown was warned off for eight years after being found guilty by the Jockey Club of bringing the sport into disrepute.
  • Ex-jockey Dermot Little was warned off for a further 20 years while another former rider Graham White was banned for five years.

Phrasal verbs

warn someone off

1
Order someone to keep away from (somewhere) or refrain from doing (something): he has been warned off booze
More example sentences
  • While many shunned the Ayrshire stockbroker during his period of exile from the tracks - he was warned off for ten years for his part in scandal.
  • Just as he is about to get to the bottom of the affair, he is warned off by the American ambassador in Saigon.
  • Now when John Main began has explorations into meditation he was warned off that path by his own order, was he not?

Derivatives

warner

1
noun
Example sentences
  • The helicopter's electronic warfare systems include a radar warning receiver, laser warning receiver, missile approach warner and chaff and flare dispensers.
  • The laser warner provides broadband laser frequency coverage to detect and display rangefinding, designating and missile guidance laser threats.
  • The defensive aids suite could include a radar warner, missile launch and approach warner, and chaff and flare decoy dispensers.

Definition of warn in:

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