be careful

VERB

look out

Synonyms

WEAK

be alert 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.

I think the FTC will be careful about how it attempts investigations of civil society groups in the future.

From Slate • May 18, 2026

It’s also supposed to recognize people it knows and to be careful about approaching people it doesn’t.

From The Wall Street Journal • May 4, 2026

Kelly: You're going to be careful here, aren't you?

From BBC • May 2, 2026

Investors might want to be careful with both stocks.

From Barron's • Apr. 21, 2026

“You’re suffering from malnutrition. You must be careful what you eat.”

From "The Hiding Place" by Corrie ten Boom