go in

verb

went in; gone in; going in; goes in

intransitive verb

1

: to make an approach (as in attacking)

2

a

: to take part in a game or contest

b

: to call the opening bet in poker : stay

3

of a celestial body : to become obscured by a cloud

It got cooler once the sun went in.

4

: to form a union or alliance : join

—often used with with

asked us to go in with them

Phrases

go in for

1

: to give support to : advocate

2

: to have or show an interest in or a liking for

3

: to engage in : take part in

go in on

informal

: to help pay for something

We all went in on the gift.

Synonyms of go in

• assault
• attack
• raid
• turn (on)
• storm
• jump (on)
• set on
• strike
• set at
• set upon
• descend (on or upon)
• fly at
• rob

Examples of go in in a Sentence

law enforcement officials decided to wait before going in on the barricaded gunman

Recent Examples on the Web

The man was transported to Bellevue Hospital in critical condition, going in and out of consciousness. —Mark Prussin, CBS News, 17 Nov. 2025

Just going in the opposite direction means nothing. —Literary Hub, 17 Nov. 2025

Fielding went in the opposite direction, wearing quite enough collar and cuff for the both of them, and the two make a pretty cute picture together. —Elizabeth Logan, Glamour, 17 Nov. 2025

Each year, rumors and speculation start to pick up before a season even ends, pointing to different places players could go in free agency or through trades. —Patrick McAvoy, MSNBC Newsweek, 16 Nov. 2025

Word History

First Known Use

1812, in the meaning defined at sense 1

Rhymes for go in

• coan
• kohen
• rohan
• rowan
• rowen
• bryozoan
• metazoan
• protozoan
• minoan
• samoan