Main entry: keep back, withhold
Definition: hold back; refuse to hand over or share
Usage: The father is withholding the allowance until the son cleans his room
Main entry: keep back, hold, hold back, retain
Definition: secure and keep for possible future use or application
Usage: The landlord retained the security deposit; I reserve the right to disagree
Main entry: keep, keep back, restrain, hold back
Definition: keep under control; keep in check
Usage: suppress a smile; Keep your temper; keep your cool