vainglorious
adjective /ˌveɪnˈɡlɔːriəs/
/ˌveɪnˈɡlɔːriəs/
(literary, disapproving)- too proud of your own abilities or achievementsTopics Successc2, Personal qualitiesc2Word OriginMiddle English: suggested by Old French vaine gloire, Latin vana gloria + -ious.