- tri|um|phant [ traı`ʌmfənt ] adjective1. ) showing that you are very pleased or excited about a victory or success:a triumphant smile/laugh/yella ) a triumphant event is one in which someone has been successful or has won a victory:The president made a triumphant return.a triumphant performance2. ) successful:She emerged triumphant in every movie.╾ tri|um|phant|ly adverb
Usage of the words and phrases in modern English. 2013.