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  • break-in
    break-in
    noun
    an illegal entry into a home, car, office, etc.
  • break in
    break in
    verb
    (sometimes foll by on) to interrupt
Synonyms

break-in

American  
[breyk-in] / ˈbreɪkˌɪn /

noun

  • break-ins
    plural
  1. an illegal entry into a home, car, office, etc.

  2. break-in period.


break in British  

verb

  1. (sometimes foll by on) to interrupt

  2. (intr) to enter a house, etc, illegally, esp by force

  3. (tr) to accustom (a person or animal) to normal duties or practice

  4. (tr) to use or wear (shoes, new equipment, etc) until comfortable or running smoothly

  5. (tr) to bring (new land) under cultivation

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

noun

    1. the illegal entering of a building, esp by thieves

    2. ( as modifier )

      the break-in plans

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
break in Idioms  
  1. Enter by force, as in The thieves broke in through the back door . [Mid-1500s] Also see break into .

  2. Also, break in on . Interrupt or disturb something unexpectedly, as in His assistant broke in with the bad news just as we were ready to sign the agreement , or He broke in on our private talks . [Mid-1600s]

  3. Train or instruct someone in a new job or enterprise, as in Every semester she had to break in a new teaching assistant . [Late 1700s]

  4. Loosen or soften with use, as in It takes a while to break in a pair of new shoes .


Other Word Forms

Noun Inflected Forms

Etymology

Origin of break-in

First recorded in 1855–60; noun use of verb phrase break in

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

The woman alleged that the deputy falsified a break-in report just to visit her home, and he later pleaded no contest to misdemeanor charges, according to a civil lawsuit and court records.

From Los Angeles Times Aug. 4, 2026

The break-in process could take even longer given Warsh’s big divergence with past chiefs.

From MarketWatch Jul. 30, 2026

David Solomon, a 46-year-old who works in real estate, said he became invested in the mayoral race after break-in attempts at his home in Santa Monica Canyon.

From The Wall Street Journal May 21, 2026

A man accused of nabbing unreleased music by Beyoncé in a vehicle break-in last summer has pleaded guilty to the theft and has been sentenced to serve time in prison.

From Los Angeles Times May 12, 2026

I took a deep breath and described Gum Baby’s break-in, the chase through the Bottle Tree forest, and finally our fight.

From "Tristan Strong Punches a Hole in the Sky" by Kwame Mbalia

See also: How parents can take advantage of the ‘best summer-camp tax break in years’

From MarketWatch Aug. 5, 2026

The next day, he aired the first break in the case.

From The Wall Street Journal Aug. 2, 2026

Hayes addressed the criticism during a break in the Brazil v Haiti game, however, by wryly encouraging viewers to focus on her match analysis instead.

From BBC Jul. 17, 2026

Burglars tried to break in to the Barcelona home of Spain star Lamine Yamal on Wednesday, shortly after he helped La Roja reach their second World Cup final, police and media said.

From Barron's Jul. 15, 2026

But Isabel and Nate were all the way on the other side of the apartment with my parents, taking a coffee break in the kitchen.

From "Auggie & Me" by R. J. Palacio

Former Home Secretary Yvette Cooper banned the group on advice from the police and security officials after an escalating spate of break-ins targeting Elbit, an Israeli-owned defence firm.

From BBC Jul. 30, 2026

In Madrid, Karim Benzema, Rodrygo and Dani Carvajal are among the football stars to have suffered break-ins at their homes in recent years.

From Barron's Jul. 15, 2026

Brown said the dog was purchased and looked after by his security guards to help protect the house from break-ins, telling the jury: "I get a lot of stalker-type situations."

From BBC Jul. 1, 2026

An epidemic of car break-ins led owners to post “No Radio” signs in their windows, and auto alarms blared indignantly at all hours.

From The Wall Street Journal May 8, 2026

I’m boring you with all my break-ins, but what can I do when burglars take such pleasure in honoring Gies & Co. with their presence?

From "The Diary of a Young Girl" by Anne Frank

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