plunge in

phrasal verb·1 sense·particle in

Usefulness

Meanings

1

Embark suddenly and fully

Beginninguncommon

Why “in”? In marks the start of an action or change. It can also mean slowly using something new until it feels comfortable.

He plunged in and signed the contract that afternoon.
He committed himself quickly and signed the contract that afternoon.
She plunged in and opened her own shop.
She committed herself fully and opened her own shop.

Test yourself

He plunged in and signed the contract that afternoon. What does it mean?

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Sink In connects verbs by particle pattern, contrast pairs, and shared base verbs.

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