unnatural

Adjective (3)

1. not in accordance with or determined by nature; contrary to nature“an unnatural death”“the child's unnatural interest in death”
2. not normal; not typical or usual or regular or conforming to a norm“abnormal powers of concentration”“abnormal amounts of rain”“abnormal circumstances”“an abnormal interest in food”Synonyms: abnormal
3. speaking or behaving in an artificial way to make an impressionSynonyms: affected