There are 2 definitions of break in in English:

break in1

1Force entry to a building: it sounded like someone trying to break in
More example sentences
  • The thieves broke in by forcing a casement window in the dining room before ransacking the house.
  • When no one answered, they broke in and searched the building, only to find a watchman sleeping at his post.
  • They broke in by forcing a lock on a door and then made off in a stolen car.
Synonyms
commit burglary, break and enter; force one's way in
2 [with direct speech] Interject: “I don’t want to interfere,” Mrs. Hendry broke in
More example sentences
  • ‘We know that,’ broke in Chris.
  • The publicist, sitting between us in the back seat, broke in, ‘A friend of mine is the U. S. ambassador to France.’
  • ‘So where are we going to go now?’ she broke in.
Synonyms
interrupt, butt in, cut in, interject, interpose, intervene, chime in
See parent entry: break

Definition of break in in:

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Word of the day neoteny
Pronunciation: niːˈɒt(ə)ni
noun
retention of juvenile features in the adult animal

There are 2 definitions of break in in English:

break-in2

Syllabification: break-in

noun

A forced or unconsented entry into a building, car, computer system, etc., typically to steal something.
More example sentences
  • This will no doubt prompt burglars to begin break-ins by stealing the security camera.
  • Other country crime includes farm break-ins, theft from building sites and the theft of valuable horse tack from stables.
  • The house was unoccupied at the time of the break-in and the burglars gained entry by forcing open the front door.
Synonyms
burglary, robbery, theft, raid, breaking and entering, forced entry, break and enter

Definition of break in in: