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

One rare example of this are pedunculated fibroids, which attach to the uterus with a long, stem-like growth, causing sudden, strong abdominal pain that goes in and out—similar to really bad period cramps. —Beth Krietsch, SELF, 2 Mar. 2026

Since that evening, their lives have gone in vastly different directions. —Anna Russell, New Yorker, 2 Mar. 2026

And both have a great chance of going in the top five. —Peter Sblendorio, New York Daily News, 2 Mar. 2026

Jennifer Aniston walked the red carpet in a sleek black Rochas gown accessorized with diamond and platinum Bvlgari jewelry from the 1930s, while Felicity Huffman’s take on a black dress, as designed by Zac Posen, went in a different direction with sheer panels and a plunging neckline. —Kase Wickman, Vanity Fair, 2 Mar. 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