adjective ab·nor·mous \(ˈ)ab¦nȯrməs, -ȯ(ə)m- also əbˈ-\

Definition of abnormous


  1. :  abnormal, irregular

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Origin and Etymology of abnormous

in part from 1ab- + (e)normous, in part from Latin abnormis “belonging to no school or party” — more at 1abnormal See note at 1abnormal.

First Known Use: 1710

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