wise up

phrasal verb·1 sense·particle up

Usefulness

Meanings

1

Realise something important and start behaving more sensibly about it

Why “up”? A person starts to understand an important or unpleasant truth. Someone else may cause this change.

He needs to wise up about his spending.
He needs to realise the truth and behave more sensibly about his spending.
She wised up when she saw the fake website.
She realised the danger and stopped trusting the website.

Test yourself

He needs to wise up about his spending. What does it mean?

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