adj.
Pronunciation: ' h ā -n ə s
Function: adjective
Etymology: Middle English, from Anglo-French hainus, heinous, from haine hate, from hair to hate, of Germanic origin; akin to Old High German haz hate ― more at HATE
Date: 14th century
: hatefully or shockingly evil : ABOMINABLE
– hei · nous · ly adverb
– hei · nous · ness noun