debarkation de·bar·ka·tion UK/diːbɑːˈkeɪʃən/ uncommon noun 1. the act of passengers and crew getting off of a ship or aircraft Synonymsdisembarkationdisembarkment Antonymsboarding Related words Word family disembarkdebark Broader terms landing Narrower terms going ashore WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). WordNet 2.1 Copyright Princeton University. All rights reserved.