Dictionary.com
Thesaurus.com
Synonyms

warning

American  
[wawr-ning] / ˈwɔr nɪŋ /

noun

  1. the act or utterance of one who warns or the existence, appearance, sound, etc., of a thing that warns.

  2. something that serves to warn, give notice, or caution.

    We fired a warning at the intruders.

    Synonyms:
    presage, augury, portent, sign, omen, advice, admonition, caution
  3. Meteorology. an announcement from the U.S. National Weather Service alerting the public that a storm or other weather-related hazard is imminent and that immediate steps should be taken to protect lives and property.


adjective

  1. serving to warn, advise, caution.

    a warning bell.

warning British  
/ ˈwɔːnɪŋ /

noun

  1. a hint, intimation, threat, etc, of harm or danger

  2. advice to beware or desist

  3. an archaic word for notice

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

adjective

  1. (prenominal) intended or serving to warn

    a warning look

  2. (of the coloration of certain distasteful or poisonous animals) having conspicuous markings, which predators recognize and learn to avoid; aposematic

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

  • warningly adverb

Etymology

Origin of warning

First recorded before 900; Middle English (noun); Old English war(e)nung “precaution”; warn, -ing 1, -ing 2

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The suit alleged that Sam and his co-pilot had made critical errors that contributed to the crash, including failing to react to a traffic warning and failing to see and avoid the helicopter.

From The Wall Street Journal

They have all issued public warnings against damaging or defacing banknotes when making these bouquets of cash.

From BBC

Zillow enforces its policy through a graduated warning system: Agents who publicly market a listing without sharing it on the Multiple Listing Service within one business day receive a notification for each violation.

From The Wall Street Journal

Still, bankers are warning of the possibility of challenges ahead.

From The Wall Street Journal

The African Union has rejected those plans, warning that such a move would threaten any prospect of unity.

From BBC