<p><strong>Noun</strong></p><ul><li>any domesticated or tamed animal that is kept as a companion and cared for affectionately.</li><li>a person especially cherished or indulged; favorite: He was the teacher's pet.</li><li>a thing particularly cherished.</li></ul><p><strong>Adjective</strong></p><ul><li>kept or treated as a pet: a pet lamb.</li><li>especially cherished or indulged, as a child or other person.</li><li>favorite; most preferred: a pet theory.</li><li>showing fondness or affection: to address someone with pet words.</li></ul><p><strong>Verb (used with object)</strong></p><ul><li>to fondle or caress: to pet a dog.</li><li>to treat as a pet; indulge.</li></ul><p><strong>Verb (used without object)</strong></p><ul><li>Informal. to engage in kissing, caressing, and other sexual activity with one’s partner, but not sexual intercourse.</li></ul>