<p><strong>Interjection</strong></p><ul><li>an exclamation of surprise, wonder, pleasure, or the like: Wow! Look at that!</li></ul><p><strong>Noun</strong></p><ul><li>an extraordinary success: His act is a real wow.</li><li>excitement, interest, great pleasure, or the like: a car that will add some wow to your life.</li></ul><p><strong>Verb</strong></p><ul><li>to gain an enthusiastic response from; thrill.</li></ul>