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warning signal

NOUN

alarum

Synonyms

STRONG

alert bell signal siren warning

WEAK

call to arms

NOUN

beacon

Synonyms

STRONGEST

flare lantern radar

STRONG

alarm alert balefire beam bonfire guidepost heliograph lamp lighthouse lodestar pharos rocket sign watchtower

WEAK

signal fire smoke signal

NOUN

distress signal

Synonyms

WEAK

Mayday SOS alarm burglar alarm call for help danger signal fire alarm flare notice to mariners signal of distress

NOUN

high sign

Synonyms

WEAK

alert signal the nod the wink

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.

Monday's data "sent a clear warning signal to those expecting a rebound in domestic demand," Alicia Garcia-Herrero, Asia-Pacific chief economist at Natixis, told AFP.

From Barron's • May 18, 2026

So how should investors play the current warning signal?

From MarketWatch • May 7, 2026

"Queen pupae, which have stronger immune defenses than worker pupae and can limit the infection on their own, were not observed to emit this warning signal to the colony," she explains.

From Science Daily • Dec. 3, 2025

Liverpool's relative stroll towards a 20th title carries a heavy warning signal to the rivals who must now attempt to knock the Premier League crown off their heads next season.

From BBC • Apr. 28, 2025

It was a warning signal, and it was telling her now that something dreadful was going to happen.

From "Harriet Tubman: Conductor on the Underground Railroad" by Ann Petry

warning signal

Example Sentences

Related Words