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abnormal Syllabification: ab·nor·mal
Pronunciation: /abˈnôrməl/

Definition of abnormal in English:


Deviating from what is normal or usual, typically in a way that is undesirable or worrying: the illness is recognizable from the patient’s abnormal behavior
More example sentences
  • Every episode marked him, though there is no evidence of any abnormal behaviour.
  • His life has been so abnormal it is no surprise that he has such unusual views.
  • The boy told the court his behaviour had been abnormal and not the sort of thing he wanted to do in the future.
unexpected, unfamiliar, unconventional, surprising, unorthodox, singular, exceptional, extraordinary, out of the ordinary, out of the way;
unnatural, perverse, perverted, twisted, warped, unhealthy, distorted
informal freaky


Mid 19th century: alteration (by association with Latin abnormis 'monstrosity') of 16th-century anormal, from French, variant of anomal, via Latin from Greek anōmalos (see anomalous).

Words that rhyme with abnormal

conformal, formal, normal, paranormal, subnormal
Definition of abnormal in:
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