Meaning 1 · most common
enter illegally

to enter a building or place by force, usually to steal something or without permission.
Examples
Someone tried to break in while we were on holiday, but the alarm scared them away.
A: Why are the police outside your house?
B: Someone broke in last night, but luckily nothing was taken.
Common mistake
Not: Thieves broke in the house last night.
Say: Thieves broke into the house last night. / Thieves broke in last night.
With a place named, use 'break INTO the house'; bare 'break in' (no object) is also fine.
More on “enter illegally”Another example · Tell it apart · Goes with · Tip
Another example
If I ever saw someone trying to break in to a neighbor’s house, I would call the police immediately.
Tell it apart
Burglars broke in through the back.
The prisoners broke out of the cell.
Goes with
- break in / break into
