Definition of abnormal in English:

abnormal

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

adjective

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.
Synonyms
unusual, uncommon, atypical, untypical, nontypical, unrepresentative, rare, isolated, irregular, anomalous, deviant, divergent, aberrant, freak, freakish; strange, odd, peculiar, curious, bizarre, weird, queer; eccentric, idiosyncratic, quirky; 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

Origin

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).

Derivatives

abnormally

adverb
More example sentences
  • When they function abnormally it appears to help cancer cells to grow.
  • Drought is a prolonged, abnormally dry period when there is not enough water to meet normal or expected needs.
  • These are people who are abnormally short for their age and have body weights below what is consistent with health.

Definition of abnormal in:

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