Out-maneuver refers to the act of outsmarting or outwitting someone in a contest, game or argument. It is an antagonistic term that requires an antonym that reflects its negative connotation. Possible antonyms for out-maneuver include 'outwitted', 'outsmarted', outlasted', 'outgunned', 'outplayed', 'outmatched', 'outpaced', 'outdistanced', 'outflanked', among others. These words imply that the opposite has happened, where one has not been able to out-manoeuvre, and instead, have been beaten or surpassed in whatever contest or game they were engaged in. Antonyms for out-maneuver are essential for communication as they help to express the opposite action and bring clarity in language.