...and Others.1. to leave completely and finally; forsake utterly; desert: to abandon one's farm; to abandon a child; to abandon a sinking ship. 2. to give up; discontinue; withdraw from: to abandon a research project; to abandon hopes for a stage career. 3. to give up the control of: to abandon a city to an enemy army. 4. to yield (oneself) without restraint or moderation; give (oneself) over to natural impulses, usually without self-control: to abandon oneself to grief. 5. Law. to cast away, leave, or desert, as property or a child. 6. Insurance. to relinquish (insured property) to the underwriter in case of partial loss, thus enabling the insured to claim a total loss. 7. Obsolete. to banish.
Abandon means to give up or discontinue any further interest in something because of discouragement, weariness, distaste, or the like: to abandon one's efforts.