Meaning of “unnatural” in the English Dictionary

"unnatural" in British English

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uk /ʌnˈnætʃ.ər.əl/ us /ʌnˈnætʃ.ɚ.əl/

B2 not natural


  • Her translation is too literal , resulting in heavy, unnatural prose.
  • The dialogue sounded stilted and unnatural, perhaps because of the translation from the original Russian.
  • The daffodils are already coming out, which seems unnatural for so early in the year.
  • It would be unnatural not to feel concerned for your children's future.
  • She's died her hair in an attempt to cover up the grey, but it looks unnatural.
adverb uk /ʌnˈnætʃ.ər.əl.i/ us /ʌnˈnætʃ.ɚ.əl.i/

(Definition of “unnatural” from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"unnatural" in American English

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us /ʌnˈnætʃ·ər·əl/

not found in nature; artificial:

Nothing unnatural or polluting can be used.
The recordings have an unnatural sound.

Behavior or feelings that are described as unnatural are not usual or acceptable.

(Definition of “unnatural” from the Cambridge Academic Content Dictionary © Cambridge University Press)