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

see also:

go in for go in on

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

There are arguments for knowing nothing about Backrooms going in. —Paul Tassi, Forbes.com, 30 May 2026

So that’s just historic and incredible and really is so newsworthy to be, why to go in 2026. —AFAR Media, 30 May 2026

Chawinga went in early on Boston goalkeeper Casey Murphy, but the window the reigning MVP left herself was too tight for a quality finish. —Jeff Rosen, Kansas City Star, 30 May 2026

Smith was dealing in his last run of seven-on-seven drills, completing a deep pass to wide receiver Adonai Mitchell who, impressively, saw where the ball was going in the air, adjusted his gait and ran back for it. —Zack Rosenblatt, New York Times, 29 May 2026

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