to stay at a distance from somebody/something Keep well back from the road.
- 1(British English) (North American English keep somebody after) to make a student stay at school after normal hours as a punishment
- 2(North American English) to make a student repeat a year at school because of poor marks/grades
to make somebody stay at a distance from somebody/something Barricades were erected to keep back the crowds.
- 1to prevent a feeling, etc. from being expressed synonym restrain She was unable to keep back her tears.
- 2to continue to have a part of something He kept back half the money for himself.