<p><strong>Adjective</strong></p><ul><li>constant in effort to accomplish something; attentive and persistent in doing anything: a diligent student.</li><li><strong>Synonyms</strong>: sedulous, assiduous, industrious</li><li>done or pursued with persevering attention; painstaking: a diligent search of the files.</li><li><strong>Synonyms</strong>: unremitting, tireless, indefatigable</li></ul>