noun.
A person who forsakes his cause, his duty, his party, or his friends; particularly, a soldier or seaman who absents himself from his position without leave, and without the intention of returning.
the GNU version of the Collaborative International Dictionary of English
noun.
One who forsakes a duty, a cause or a party, a friend, or any one to whom he owes service; especially, a soldier or a seaman who abandons the service without leave; one guilty of desertion.
noun.
A person who has physically removed him- or herself from the control or direction of a military or naval unit with the intention of permanently leaving
noun.
Under the United States Code of Military Justice, a person who has been placed on AWOL status for more than 30 days
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
noun.
a disloyal person who betrays or deserts his cause or religion or political party or friend etc.
noun.
a person who abandons their duty (as on a military post)