To detach or withdraw one's self from; leave.To give up; cease to occupy one's self with; cease to use, follow, etc.: as, to abandon an enterprise; this custom was long ago abandoned.To resign, forego, or renounce; relinquish all concern in: as, to abandon the cares of empire.To relinquish the control of; yield up without restraint: as, he abandoned the city to the conqueror.To outlaw; banish; drive out or away.To reject or renounce.In com., to relinquish to the underwriters all claim to, as to ships or goods insured, as a preliminary toward recovering for a total loss. See abandonment.n. The act of giving up or relinquishing; abandonment.n. Abandonment to naturalness of action or manner; freedom from constraint or conventionality; dash.