<p><strong>Noun</strong></p><ul><li>absorbing or controlling possession of the mind by any interest or pursuit; lively interest: He shows marked enthusiasm for his studies.</li><li>Synonyms: eagerness, devotion, passion, ardor, zeal, fervor, warmth</li><li>Antonyms: indifference</li><li>an occupation, activity, or pursuit in which such interest is shown: Hunting is his latest enthusiasm.</li><li>any of various forms of extreme religious devotion, usually associated with intense emotionalism and a break with orthodoxy.</li></ul>