The antonyms for the word "suffer defeat" could be "achieve victory," "emerge triumphant," "conquer," "prevail," or "triumph." In contrast to the feeling of defeat, these antonyms signify a sense of accomplishment and satisfaction in achieving a goal or overcoming a challenge. These words can be applied in various contexts, such as sports or business, where winning or succeeding is the ultimate objective. By using these antonyms, people can feel motivated to push themselves to achieve their goals and experience the elation of triumph rather than the disappointment of defeat.