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.

As Scotland prepares to welcome in 2026, some residents will be getting ready to batten down the hatches, with a yellow snow and ice warning in force for much of the country.

From BBC

Don’t Futurism, Mr. Foster writes, “exists to dispense warnings, highlight issues, and point out consequences, which often makes it an unwelcome guest in communities built on optimism, positivity, and forward momentum.”

From The Wall Street Journal

Further snow and ice warnings are likely to be issued by the Met Office in the coming days, which you can keep up to date with here.

From BBC

About 1,000 borrowers will receive notices warning of these consequences on the week of Jan. 7, and the agency will continue to increase the number of notices sent on a month-to-month basis, officials said.

From MarketWatch

If you’re on the sidelines, note that Monday’s decline is either a warning or an invitation, depending on your conviction.

From MarketWatch