zealEnglishOxford American Thesauruszeal noun his zeal for football: passion, zealousness, committedness, ardor, love, fervor, fire, avidity, fondness, devotion, devotedness, enthusiasm, eagerness, keenness, appetite, taste, relish, gusto; vigor, energy, verve, zest; rare fervency, ardency. ▷antonyms apathy, indifference.