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be alert

VERB
look out
Synonyms
WEAK
be careful be on guard beware check out have a care heads up hearken keep an eye out keep tabs listen mind notice pay attention peg pick up on scope shotgun size up spot spy watch out
Antonyms
WEAK
disregard ignore neglect

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.

Schnabel said the experience of 2022 has taught policymakers what to look out for as warning signs when they are assessing the impact of an energy shock, and they should be alert.

From The Wall Street Journal • Mar. 27, 2026

Though current risks from stablecoins were "limited", the economists said, their "rapid growth" meant regulators had to be alert to potential dangers.

From Barron's • Nov. 24, 2025

Still, while it may be tricky, they say there are signs listeners can be alert to.

From BBC • Nov. 21, 2025

“Directors should be alert and speak up is all that I can advise.”

From The Wall Street Journal • Nov. 10, 2025

No matter how normal that is for me, I can’t get myself to stop shaking ’cause I can be alert as all hell right now and it won’t change what’s going down mad soon.

From "They Both Die at the End" by Adam Silvera