Out maneuvered is a term that refers to a situation where someone is able to surpass or outsmart their opponent in a battle, competition, or negotiation. The opposite or antonym of this term is "outwitted" which means to outsmart or to defeat your opponent by tricking them. Another antonym is "outfoxed", which means to outsmart someone by being sly and cunning. Contrarily, "outdone" can also be used as an antonym for outmaneuvered, which means being able to surpass someone in performance, achievement, or accomplishment. It is important to note that these terms have a similar meaning to outmaneuvered but with different degrees of subtlety and depth.