The antonyms for the word "defeat" are words that express triumph or victory, such as succeed, conquer, win or overcome. These words are often used in contexts where someone has achieved their goals or has overcome a challenge. For example, a sports team that wins a game can be said to have "succeeded" or "conquered" their opponent, while an individual who overcomes a difficult obstacle can be said to have "overcome" the challenge. The use of these antonyms can help to emphasize the positive aspects of a situation and to encourage individuals to focus on their strengths and accomplishments.