keep back

(verb) keep under control; keep in check. Synonyms: restrain, keep, keep back, hold back. Examples: "Suppress a smile." "Keep your temper." "Keep your cool."

(verb) secure and keep for possible future use or application. Synonyms: retain, hold, keep back, hold back. Examples: "The landlord retained the security deposit." "I reserve the right to disagree."

(verb) hold back; refuse to hand over or share. Synonyms: withhold, keep back. Example: "The father is withholding the allowance until the son cleans his room."