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jump in

A2 informal intransitive
In simple words

To suddenly join in or start something without waiting.

Literal meaning: To leap into something — transparent.

Meanings

1 A2 informal

To enter a vehicle or body of water by jumping.

"Jump in the car — we're going to be late!"

2 B1 idiomatic informal

To enter a conversation or activity suddenly, without waiting to be asked.

"Please jump in if you have any questions while I'm presenting."

3 B1 idiomatic informal

To become involved in a difficult situation quickly and without hesitation.

"When the argument got out of hand, the manager jumped in to calm everyone down."

Usage notes

Very common in both literal (jumping into water) and figurative senses. The figurative sense is widely used in meetings, discussions, and project work. Teachers often say 'feel free to jump in' to encourage students. Also used literally with vehicles ('jump in the car').

Commonly used with

conversation pool car meeting discussion debate anytime

Forms

Base
jump in
I/you/we/they
3rd person
jumps in
he/she/it
Past simple
jumped in
yesterday
Past participle
jumped in
have + pp
-ing form
jumping in
continuous

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