1. appoint Allot, originally to assign by lot, applies to the giving of a definite thing to a certain person. A portion or extent of time is allotted; as, I expect to live out my allotted time. A definite Synonyms: allot, appoint, destine, give, portion out, apportion, distribute, grant, select, assign, divide, mete out, set apart, award Antonyms: appropriate, deny, resume, seize, confiscate, refuse, retain, withhold