Definition of abnormal in English:

abnormal

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’
    • ‘His life has been so abnormal it is no surprise that he has such unusual views.’
    • ‘Every episode marked him, though there is no evidence of any abnormal behaviour.’
    • ‘The condition is rare and is caused by the inheritance of an abnormal gene from an affected parent.’
    • ‘Cells normally divide in a controlled way, but abnormal cells keep on dividing, which can form a lump.’
    • ‘MPs live quite an abnormal life, and a lot of the time they are away from home.’
    • ‘Crime, rather than being abnormal and uncommon, may be considered a routine part of life.’
    • ‘A true food allergy is an abnormal response to a food triggered by the immune system.’
    • ‘His abnormal memory power is not restricted just to the game, but aids him in his office work.’
    • ‘The level was so high that a second reading was taken and although this was lower it was still so abnormal as to be fatal.’
    • ‘Fusion in this case is somewhat of a worry because these are highly abnormal cells.’
    • ‘Some abnormal smears do in fact revert to normal without treatment, but some go on to become cancerous.’
    • ‘Interferon is produced naturally in the body and helps fight infection or abnormal cells.’
    • ‘The demand for tickets had been abnormal, and the committee had to refuse a great number who applied.’
    • ‘She speculated that abnormal electrical activity in the heart or brain may have been the reason.’
    • ‘All women are supposedly naturally maternal and any woman who rejects this role is seen as deviant and abnormal.’
    • ‘My greatest work was the reconstruction of a congenitally abnormal heart.’
    • ‘As far as I can judge he sees nothing abnormal or peculiar about any part of this routine.’
    • ‘The abnormal hike in fuel prices leads to increase in prices of essential commodities.’
    • ‘The boy told the court his behaviour had been abnormal and not the sort of thing he wanted to do in the future.’
    • ‘Seabed sensors detect abnormal wave movements and relay the information to scientists.’
    unusual, uncommon, atypical, untypical, non-typical, unrepresentative, rare, isolated, irregular, anomalous, deviant, deviating, divergent, wayward, aberrant, freak, freakish
    View synonyms

Origin

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).

Pronunciation

abnormal

/æbˈnɔrməl//abˈnôrməl/