<p><strong>Adjective:</strong></p><ul><li>not resistible; incapable of being resisted or withstood: an irresistible impulse.</li><li>lovable, especially calling forth feelings of protective love: an irresistible puppy.</li><li>enticing; tempting to possess: an irresistible necklace.</li></ul><p><strong>Noun:</strong></p><ul><li>an irresistible person or thing.</li></ul>