1. [ adjective ] not in accordance with or determined by nature; contrary to nature

"an unnatural death" "the child's unnatural interest in death"

Related terms: natural violent uncanny eerie affected supernatural paranormal naturalness
2. [ adjective ] distorted and unnatural in shape or size; abnormal and hideous
Synonyms: grotesque monstrous

"tales of grotesque serpents eight fathoms long that churned the seas" "twisted into monstrous shapes"

Related terms: ugly
3. [ adjective ] speaking or behaving in an artificial way to make an impression
Synonyms: affected
Related terms: unaffected artificial artificial agonistic mannered plummy constrained elocutionary studied affectedness
Similar spelling:   unnaturally