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abnormal Line breaks: ab|nor¦mal
Pronunciation: /əbˈnɔːm(ə)l/

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 behaviour
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.
unusual, uncommon, atypical, untypical, non-typical, unrepresentative, rare, isolated, irregular, anomalous, deviant, deviating, divergent, wayward, aberrant, freak, freakish;
unnatural, perverse, perverted, twisted, warped, corrupt, unhealthy, distorted, malformed;


Mid 19th century: alteration (by association with Latin abnormis 'monstrous') 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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