Webster's Revised Unabridged Dictionary · 1913

Abandon

Abandon (ȧ*ban"dun) , transitive verb

[Old French abandoner, French abandonner; a (Latin ad) + bandon permission, authority, Late Latin bandum, bannum, public proclamation, interdiction, bannire to proclaim, summon: of Germanic origin; compare Gothic bandwjan to show by signs, to designate Old High German ban proclamation. The word meant to proclaim, put under a ban, put under control; hence, as in Old English, 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. [Obsolete]
That he might... abandon them from him. — Udall
Being all this time abandoned from your bed. — Shakespeare
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.

Abandon , noun

[French abandon. from abandonner. See Abandon, v.]

Abandonment; relinquishment. [Obsolete]

Abandon (ȧ`baN`dôN") , noun

[F. See Abandon.]

A complete giving up to natural impulses; freedom from artificial constraint; careless freedom or ease.