Definition of 'break in'

Verb

1. enter someone's property in an unauthorized manner, usually with the intent to steal or commit a violent act; "Someone broke in while I was on vacation"; "They broke into my car and stole my radio!"
      Synonyms: break
2. break into a conversation; "her husband always chimes in, even when he is not involved in the conversation"
      Synonyms: chime in cut in put in butt in chisel in barge in
3. start in a certain activity, enterprise, or role
4. intrude on uninvited; "The nosy couple broke in on our conversation"
5. break so as to call inward; "He broke in the door"
6. make submissive, obedient, or useful; "The horse was tough to break"; "I broke in the new intern"
      Synonyms: break

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