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

The dog couldn’t go in her room so soon after her transplant, so Aspen dabbed colors on a small canvas and handed it to Scott, who put it in a plastic bag and smeared peanut butter on top. —Laura Ungar, Fortune, 23 May 2026

Rolexes are a national dish in Uganda, although these ones go in your mouth rather than on your wrist. —Maureen O'Hare, CNN Money, 23 May 2026

Cars were all over the place going in. —Andrea Nakano, CBS News, 23 May 2026

First baseman Max Farrell’s two-run triple got things going in the sixth. —Kirk Kenney, San Diego Union-Tribune, 23 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