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abnormous

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

Definition of abnormous

archaic
: abnormal, irregular

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First Known Use of abnormous

1710, in the meaning defined above

History and Etymology for abnormous

in part from ab- entry 1 + (e)normous , in part from Latin abnormis “belonging to no school or party”

Note: OK See note at abnormal entry 1.

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The first known use of abnormous was in 1710

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