- (archaic) Abnormal; irregular; misshapen. [First attested in the mid 18th century.]
(Can we date this quote?) State Trials:
- A character of a more abnormous cast than his equally suspected coadjutor.
- ^ “abnormous” 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.