Ab*nor"mal (#), a. [For earlier anormal.F. anormal, LL. anormalus for anomalus, Gr. . Confused with L. abnormis. See Anomalous, Abnormous, Anormal.]
Not conformed to rule or system; deviating from the type; anomalous; irregular.
"That deviating from the type; anomalous; irregular. "
Froude.
© Webster 1913.