Abandon

1. n. A complete giving up to natural impulses; freedom from artificial constraint; careless freedom or ease.
2. v. t. To cast or drive out; to banish; to expel; to reject.
3. v. t. 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.
4. v. t. Reflexively: To give (one’s self) up without attempt at self-control; to yield (one’s self) unrestrainedly; — often in a bad sense.
5. v. t. 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.
6. v. Abandonment; relinquishment.

The word meanings were obtained from OPTED(The Online Plain Text English Dictionary), which is based on “The Project Gutenberg Etext of Webster’s Unabridged Dictionary” which is in turn based on the 1913 US Webster’s Unabridged Dictionary (See Project Gutenburg), as a text file.