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

Quentin Grimes had a chance to force overtime, but his 3-point attempt at the buzzer went in and out to dramatically give the Hawks their 15th win of the season. —CBS News, 15 Dec. 2025

Across Southwest Eighth Street, Little Havana residents recorded police officers and investigating detectives going in and out of the Dollar Tree. —Michael Butler, Miami Herald, 14 Dec. 2025

Last year, my brother and I went in on a Snoopy Swatch that tracked the phases of the moon, after our dad expressed mild interest in it. —Scottie Andrew, CNN Money, 13 Dec. 2025

The drink goes in the middle, while the chair opens in the back, allowing workers to fill it up with the salty and buttery snack. —Saleen Martin, USA Today, 12 Dec. 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