embark UK /ɪmˈbɑːk/US /ɪmˈbɑɹk/ verb5 •To go aboard a craft or vessel for transportation.All passengers please embark now. •To cause to go on board a vessel or boat; to put on shipboard. •To start, begin.Phil embarked on his journey yesterday. •To engage, enlist, or invest (as persons, money, etc.) in any affair.He embarked his fortune in trade. •To cover or enclose with bark. formsembarked · embarking · embarketh · embarks · embarkest