<p><strong>Adjective</strong></p><ul><li>showing great enthusiasm for or interest in: an avid moviegoer.</li><li>extremely desirous; eager; greedy (often followed by for or sometimes of): avid for pleasure; avid of power.</li><li>of practical use, as for doing work; producing material results; supplying common needs: the useful arts; useful work.</li></ul><p><strong>Synonyms</strong></p><ul><li>fanatic</li><li>zealous</li><li>dedicated</li><li>devoted</li><li>keen</li><li>ardent</li><li>enthusiastic</li><li>rapacious</li><li>insatiable</li><li>hungry</li><li>covetous</li></ul><p><strong>Antonyms</strong></p><ul><li>reluctant</li><li>apathetic</li><li>indifferent</li><li>loath</li><li>disdainful</li></ul>