The antonyms for the word "gains victory" can be numerous, depending on the context. Some of the common ones are "loses defeat," "surrenders," "capitulates," "concedes," "gives up," "yields," "retreats," or "falls short." These words imply the opposite meaning of gaining a victory or succeeding in something. They indicate failure, setback, or loss. In a broader sense, antonyms for "gains victory" can include words like "struggles," "endures," "perseveres," "overcomes obstacles," or "fights bravely." These words imply the struggle and hardships that one faces on the path to achieving a victory.