Meaning 1 · most common
enter or arrive

to enter a place, vehicle, or building, or to arrive somewhere, especially after traveling.
Examples
What time did you get in last night?
A: Hurry up, get in the car! We're going to be late.
B: I'm coming, just grabbing my bag.
Common mistake
Not: We got in to the house at ten.
Say: We got in at ten. / got into the house at ten.
Bare 'get in' = arrive; to name the place use 'get into the house'.
More on “enter or arrive”Another example · Tell it apart · Goes with · Tip
Another example
I usually get in around 7 p.m. after work, so I have time to relax before dinner.
Tell it apart
I got in really late last night.
I got into the car and left.
Goes with
- get in + time

