- The state or quality of being abnormal; variation; irregularity. [First attested in the mid 19th century.]
- Something abnormal; an aberration; an abnormal occurrence or feature. [First attested in the mid 19th century.]
state of being abnormal
- The translations below need to be checked and inserted above into the appropriate translation tables, removing any numbers. Numbers do not necessarily match those in definitions. See instructions at Wiktionary:Entry layout#Translations.
Translations to be checked
- “abnormality” in Lesley Brown, editor-in-chief; William R. Trumble and Angus Stevenson, editors, The Shorter Oxford English Dictionary on Historical Principles, 5th edition, Oxford; New York, N.Y.: Oxford University Press, 2002, →ISBN, page 6.