go back

Definition of go back

1 : to return to a place I forgot my purse and had to go back for it. After college she went back home. Go back inside! You'll catch cold.
2 : to return to doing something I turned off the alarm and went back to sleep. He waved hello, then went right back to work. She went back to eating her dinner.
3 : to have existed for a particular amount of time or since a particular period These ruins go back hundreds of years.
4 : to have known each other for an amount of time We go back 30 years. He and I go back a long way.
5 : to think or talk about something from the past To fully understand the issues, we have to go back a few years.

: to move on a course : proceed — compare stop
: to move out of or away from a place expressed or implied : leave, depart
: to take a certain course or follow a certain procedure

: the act or manner of going
: the height of fashion : rage
: an often unexpected turn of affairs : occurrence

: a game played between two players who alternately place black and white stones on a board checkered by 19 vertical lines and 19 horizontal lines in an attempt to enclose the larger area on the board

: the rear part of the human body especially from the neck to the end of the spine
: the body considered as the wearer of clothes
: capacity for labor, effort, or endurance

: being at or in the back
: distant from a central or main area
: articulated at or toward the back of the oral passage : formed deep within the mouth