<p><strong>Verb (used with or without object):</strong></p><ul><li>To make or become less active, vigorous, intense, etc.<ul><li>Synonyms: abate, slack, loosen, relax.</li></ul></li><li>To make or become looser or less taut.<ul><li>Synonyms: abate, slack, loosen, relax.</li><li>Antonyms: tense, tighten.</li></ul></li></ul>