break in

verb

1. enter someone's (virtual or real) property in an unauthorized manner, usually with the intent to steal or commit a violent act

   verb.social

   Synonyms break

   Source: WordNet 3.0

2. break into a conversation

   verb.communication

   Synonyms barge in butt in chime in chisel in cut in put in

   Source: WordNet 3.0

3. start in a certain activity, enterprise, or role

   verb.change

   Source: WordNet 3.0

4. intrude on uninvited

   verb.contact

   Source: WordNet 3.0

5. break so as to fall inward

   verb.change

   Source: WordNet 3.0

6. make submissive, obedient, or useful

   verb.change

   Source: WordNet 3.0