unnatural
Definitions
Contrary to the ordinary course of nature; abnormal.
Lacking natural qualities; artificial or affected.
Not consistent with human nature or common morality.
Examples
The actor's performance felt forced and unnatural throughout the entire play.
It is unnatural for a cat to be so friendly with a dog.
The bright neon colors of the landscape looked completely unnatural in the photograph.
Synonyms
artificial abnormal contrived affected synthetic forced stilted
Antonyms
natural normal genuine authentic spontaneous unaffected real