- In an abnormal manner; in a way that deviates from a standard, norm, or average. [First attested in the mid 19th cnetury.]
1895, H. G. Wells, chapter 6, in The Time Machine:
- Living, as they did, in what appeared to me impenetrable darkness, their eyes were abnormally large and sensitive.
In an abnormal manner
- ^ “abnormally” 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.