<p><strong>Adjective</strong></p><ul><li>taking place, changing, moving, etc., by small degrees or little by little: gradual improvement in health.</li><li>rising or descending at an even, moderate inclination: a gradual slope.</li><li>affording ground for belief.</li></ul><p><strong>Synonyms</strong></p><ul><li>gentle</li></ul><p><strong>Antonyms</strong></p><ul><li>sudden</li><li>precipitous</li></ul>