break-in

1 of 2

noun

ˈbrāk-ˌin 

1

: the act or action of breaking in

a rash of break-ins at the new apartment house

2

: a performance or a series of performances serving as a trial run

3

: an initial period of operation during which working parts begin to function efficiently

break in

2 of 2

verb

broke in; broken in; breaking in; breaks in

intransitive verb

1

: to enter something (such as a building or computer system) without consent or by force

2

a

: intrude

break in upon his privacy

b

: to interrupt a conversation

3

: to start in an activity or enterprise

breaking in as a cub reporter

transitive verb

1

: to accustom to a certain activity or occurrence

break in the new clerk

2

: to overcome the stiffness or newness of

break in a pair of shoes

Synonyms of break-in

Verb

• invade
• rob

Examples of break-in in a Sentence

Verb

the burglars broke in by smashing a window

he rudely broke in to drop the names of several celebrities that he had met

Recent Examples on the Web

Noun

The most recent break-in was early Sunday morning near State Street and Cermak Road. — Todd Feurer, CBS News, 29 Sep. 2026

Investigators did not find any trace of an intruder fleeing the area, and the damage to the garage side door was inconsistent with a typical break-in, police testified. — Nicki Brown, CNN Money, 29 Sep. 2026

Verb

Department of Public Works crews work on repairs to the scene of a water main break in Romeo, Michigan. — Paula Wethington, CBS News, 28 Sep. 2026

Kremlin spokesman Dmitry Peskov repeated Moscow's demand for a comprehensive peace deal, not a temporary break in hostilities, following Ukraine's call for a complete and unconditional ceasefire. — Hanna Arhirova, Arkansas Online, 25 Sep. 2026

Word History

First Known Use

Noun

1807, in the meaning defined at sense 1

Verb

14th century, in the meaning defined at intransitive sense 1

Rhymes for break-in

• akin
• auxin
• buckskin
• chagrin
• crankpin
• deerskin
• foreskin
• fuchsin
• herein
• kingpin
• linchpin
• pigskin

Kids Definition

break-in

1 of 2 noun

ˈbrā-ˌkin

: an act or instance of breaking in

break in

2 of 2 verb

(ˈ)brā-ˈkin

1

: to enter a house or building by force

2

a

: to make used to an activity

breaking in a new employee

b

: to overcome the newness or stiffness of

breaking in a new pair of shoes

Legal Definition

break-in

1 of 2 noun

ˈbrāk-ˌin

: the act or action of breaking in

break in

2 of 2 intransitive verb

: to enter something (as a building or computer system) without privilege (as consent) or by force