<p><strong>Verb</strong></p><ul><li>(used with object) to express gratitude, appreciation, or acknowledgment to: She thanked them for their hospitality.</li></ul><p><strong>Noun</strong></p><ul><li>Usually thanks.</li><li>a grateful feeling or acknowledgment of a benefit, favor, or the like, expressed by words or otherwise: to return a borrowed book with thanks.</li></ul><p><strong>Interjection</strong></p><ul><li>thanks, (used as an informal expression of gratitude, appreciation, or acknowledgment).</li></ul>