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 
3. Speaking or behaving in an artificial way to make an impression
   - affected

See also: aberrant, affected, affectedness, agonistic, anomalous, antidromic, artificial, atypical, brachydactylic, brachydactylous, constrained, contrived, defective, deviant, deviate, effeteness, elocutionary, forced, freakish, hokey [N. Amer], insane, irregular, kinky, mannered, naturalness, normalcy [N. Amer], normality, paranormal, perverted, plummy, stilted, strained, studied, subnormal, supernatural, supernormal, unnaturally, unnaturalness, vicarious, violent

Antonym: natural

Encyclopedia: Unnatural

• byname
• BYOB
• bypass
• bypass capacitor
• bypass condenser
• bypast
• bypath
• byplay
• byproduct
• Byrd
• byre
• Bombina bombina
• bombinate
• bombination
• bombing
• bombing run
• bomblet
• bombora
• bombproof
• bombshell
• bombsight
• Bombus
• bombycid
• bombycid moth
• Bombycidae