Meaning of “sit up and take notice” in the English Dictionary

british dictionary

"sit up and take notice" in British English

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sit up and take notice

informal

to show interest or surprise:

She sat up and took notice when she heard he was getting married.

(Definition of “sit up and take notice” from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"sit up and take notice" in American English

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sit up and take notice

to suddenly give attention to something when you had not done so before:

The losses in the election have made party leaders finally sit up and take notice.

(Definition of “sit up and take notice” from the Cambridge Academic Content Dictionary © Cambridge University Press)

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