Synonyms of warning

warning 1 of 3

noun

ˈwȯr-niŋ 

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

• caution
• forewarning
• alert
• advice
• recommendation
• admonition
• admonishment
• suggestion
• heads-up
• alarm
• notice
• prediction
• announcement
• informing
• predicting
• prophecy
• notification
• forecasting
• declaration
• guidance
• premonition
• tip
• notifying
• prophesying
• foretelling
• presaging
• augury
• auguring
• tip-off
• prognosticating
• counsel
• apprising

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

• sign
• red light
• caution
• red flag
• handwriting on the wall
• tip-off
• tocsin
• notification
• signal
• indicator
• wake-up call
• premonition
• omen
• portent
• declaration
• notice
• announcement
• presage
• buoy
• foretaste
• knell
• foretoken

Antonyms & Near Antonyms

• permission
• green light
• OK
• go-ahead
• all clear

warning

2 of 3

adjective

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

• cautionary
• admonitory
• admonishing
• premonitory
• punitive
• monitory
• cautioning
• exemplary
• advisory
• didactic
• moralistic
• moralizing
• counseling
• punishing

warning

3 of 3

verb

present participle of warn

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

• alerting
• advising
• cautioning
• informing
• forewarning
• waking
• predicting
• admonishing
• notifying
• forecasting
• prophesying
• foretelling
• presaging
• apprising
• prognosticating
• tipping (off)
• auguring
• foreshadowing
• harbingering
• foreboding
• portending
• boding
• foretokening

Antonyms & Near Antonyms

• risking
• imperiling

Example Sentences

Recent Examples of warning

Noun

Charlotte Water has revisited 172 sites where customers received first warnings. — Nick Sullivan, Charlotte Observer, 24 Oct. 2026

Aggressive tipping demands from costumed performers on the Las Vegas Strip have prompted a warning from local authorities. — Kelly McGreal, FOXNews.com, 24 Oct. 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

Ukraine said last week that limits were imposed without warning on its use of Starshield, the military variant of the Starlink internet service run by Elon Musk’s SpaceX, affecting battlefield missions reliant on it. — Anastasiia Parafeniuk, NBC news, 23 Oct. 2026

The restrictions, imposed without warning early Thursday, cut the internet data connection when a communication terminal moves faster than 100 mph. — Arkansas Online, 18 Oct. 2026