1
as in caution
the act or an instance of telling beforehand of danger or risk
she delivered a strict warning that anyone who was caught stealing would be fired
Synonyms & Similar Words
Relevance
2
as in sign
something that tells of approaching danger or risk
the ominously darkening sky was a warning that a tornado was approaching
Synonyms & Similar Words
Antonyms & Near Antonyms
as in cautionary
serving as or offering a warning
usually gave her trademark warning look when the children were getting out of hand
Synonyms & Similar Words
as in alerting
to give notice to beforehand especially of danger or risk
the lifeguard warned the boys that if they continued playing so rough, someone was sure to get hurt
Synonyms & Similar Words
Antonyms & Near Antonyms
Example Sentences
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Recent Examples of warning
Kevinisha Walker, Los Angeles Times, 9 Feb. 2026
But the report’s real warning was infrastructure.
—Alexandra Harrell, Sourcing Journal, 9 Feb. 2026
Scott Sonner, Star Tribune, 27 July 2021
In response, statistical authorities around the world could do little but issue warning press releases.
—Andrew Whitby, Time, 17 Apr. 2020
Phaedra Trethan, USA Today, 9 Feb. 2026
The firm ran ads warning of the dangers of marijuana during the weeks leading up to the vote on the Amendment 3, which won approval from 56% of Florida voters but failed to reach the 60% threshold needed to become law.
—Jeffrey Schweers, The Orlando Sentinel, 8 Feb. 2026
See All Example Sentences for warning
Noun
Public health officials issued a second warning last month, cautioning the public against foraging for wild mushrooms, noting that many people mistakenly have eaten the death cap, which when consumed can cause severe liver damage and, in some cases, death.
—Kevinisha Walker, Los Angeles Times, 9 Feb. 2026
But the report’s real warning was infrastructure.
—Alexandra Harrell, Sourcing Journal, 9 Feb. 2026
Adjective
The bureau also will post more warning notices at 750 livestock sale facilities and review other potential changes to federal regulations.
—Scott Sonner, Star Tribune, 27 July 2021
In response, statistical authorities around the world could do little but issue warning press releases.
—Andrew Whitby, Time, 17 Apr. 2020
Verb
Oz urges vaccinations amid measles outbreaks Health officials in Washington are warning people who attended the March For Life last month that they may have been exposed to measles, a highly contagious but easily preventable illness.
—Phaedra Trethan, USA Today, 9 Feb. 2026
The firm ran ads warning of the dangers of marijuana during the weeks leading up to the vote on the Amendment 3, which won approval from 56% of Florida voters but failed to reach the 60% threshold needed to become law.
—Jeffrey Schweers, The Orlando Sentinel, 8 Feb. 2026
See All Example Sentences for warning
Recent Examples of Synonyms for warning
Noun
-
Toxicologist Alex LeBeau urged caution when interpreting the results.—
Owen Clarke,
Outside,
9 Feb. 2026
-
So while these stocks look incredible, some caution is warranted.—
Josh Brown,Sean Russo,
CNBC,
9 Feb. 2026
Noun
-
The fasten-seatbelt sign was on and the flight attendants were performing final cabin checks when the plane suddenly dropped, then violently pitched back up.—
Aaron Cooper,
CNN Money,
11 Feb. 2026
-
Tom pulled up a Wikipedia page on his laptop called WikiProject AI Cleanup, and another on how to spot signs of AI writing.—
Imogen West-Knights,
The Dial,
10 Feb. 2026
Adjective
-
For better or worse, Dawson served as an emotional, often cautionary, proxy for millennials’ own coming-of-age messiness.—
Los Angeles Times,
Los Angeles Times,
12 Feb. 2026
-
Discomfort that resolves quickly without altering movement or feeling cautionary can be a positive sign.—
Dana Santas,
CNN Money,
10 Feb. 2026
Verb
-
Even the stadium announcer caught wind, alerting the fans in Cortina just before Watkins popped the question.—
Andrew Greif,
NBC news,
13 Feb. 2026
-
An administration official also told NewsNation’s Hannah Brandt that FAA Administrator Bryan Bedford decided to close the airspace without alerting White House, Pentagon or Homeland Security officials.—
Max Rego,
The Hill,
12 Feb. 2026
Noun
-
And so this conversation around FIFA, that’s just a forewarning of what potentially could be coming and affecting us.—
Scott M. Reid,
Oc Register,
26 Jan. 2026
-
Beliefs in false statements dropped from 19.5 percent in the control group to 12.3 percent in the forewarning group and to 10.6 percent among the participants who received simple explanations without forewarnings.—
Dan Vergano,
Scientific American,
29 Aug. 2025
Noun
-
The witnesses said both vehicles stopped at a red light when Nixon pulled up alongside them and began yelling.—
Marissa Armas,
CBS News,
7 Feb. 2026
-
Travon Troupe, 39, of Hayward, allegedly drove drunk through a red light at Foothill Boulevard and 68th Avenue in Oakland, smashing into a big rig that had the right of way.—
Nate Gartrell,
Mercury News,
6 Feb. 2026
Adjective
-
And while the formal rules on travel have relaxed, the admonitory official language is unchanged.—
John Liu,
New York Times,
21 Jan. 2023
-
Satire has always had an admonitory function, and besides, some people are so obnoxious that a writer has to slow-walk the reader through their awfulness.—
Judith Shulevitz,
The Atlantic,
11 May 2022
Verb
-
Over the past decade, screening guidelines have swung from recommending routine screening to advising against it to landing somewhere in between, and major organizations still don’t all say it the same way.—
Dr. Jamin Brahmbhatt,
CNN Money,
11 Feb. 2026
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In August 2024, the Connecticut State Board of Education unanimously passed guidance advising districts to remove or restrict cellphones from K-12 classrooms.—
Livi Stanford,
Hartford Courant,
11 Feb. 2026
Cite this Entry
“Warning.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/warning. Accessed 15 Feb. 2026.
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