Triumph over refers to the act of defeating or overcoming something or someone. There are various synonyms for the term, including conquer, prevail, vanquish, overcome, overwhelm, and subdue. Conquer implies achieving victory by force or through a long and difficult struggle. Prevail suggests emerging victorious in a challenging situation. Vanquish implies defeating an opponent completely. Overcome and overwhelm suggest successfully dealing with a challenging situation or obstacle. Finally, subdue implies taking control of someone or something through force. All these synonyms are often used interchangeably and represent the act of emerging victorious over a difficult situation, task, or opponent.