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Definitions

act on

VERB
take action
Synonyms
Antonyms
WEAK
have no effect on


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.

This is his internal narrative — and he has the power to act on it.

From Salon • Apr. 30, 2026

It’s a question of when—and whether we will finally choose to act on what we already know.

From Slate • Apr. 25, 2026

Senior coroner Andrew Walker said the failure to act on warning signs amounted to a serious lapse in care.

From BBC • Apr. 23, 2026

You could act on that profitably or just ignore it.

From The Wall Street Journal • Apr. 16, 2026

A thousand times, he asked himself what Jon Arryn might have done, had he lived long enough to act on what he'd learned.

From "A Game of Thrones" by George R.R. Martin