abandonv. t.[OF. abandoner, F. abandonner; a (L. ad) + bandon permission, authority, LL. bandum, bannum, public proclamation, interdiction, bannire to proclaim, summon: of Germanic origin; cf. Goth. bandwjan to show by signs, to designate OHG. ban proclamation. The word meant to proclaim, put under a ban, put under control; hence, as in OE., to compel, subject, or to leave in the control of another, and hence, to give up. See Ban.]1. To cast or drive out; to banish; to expel; to reject.()That he might . . . abandon them from him. (Udall.)Being all this time abandoned from your bed. (Shak.)2. To give up absolutely; to forsake entirely ; to renounce utterly; to relinquish all connection with or concern on; to desert, as a person to whom one owes allegiance or fidelity; to quit; to surrender.()Hope was overthrown, yet could not be abandoned. (I. Taylor.)3. Reflexively: To give (one's self) up without attempt at self-control; to yield (one's self) unrestrainedly; -- often in a bad sense.()He abandoned himself . . . to his favorite vice. (Macaulay.)4. (Mar. Law) To relinquish all claim to; -- used when an insured person gives up to underwriters all claim to the property covered by a policy, which may remain after loss or damage by a peril insured against.()()n.[F. abandon. fr. abandonner. See Abandon, v.] Abandonment; relinquishment.()n.[F. See Abandon.] A complete giving up to natural impulses; freedom from artificial constraint; careless freedom or ease.()