
1) Abominable 2) Atrocious 3) Evil 4) Flagitious 5) French word used in English 6) Grievous 7) Grossly wicked 8) Monstrous 9) Odious 10) Really abominable 11) Really evil 12) Unspeakably evil 13) Wicked 14) Worse than awful
Found on
https://www.crosswordclues.com/clue/heinous

1) Atrocious 2) Evil 3) Flagitious 4) Grave
Found on
https://www.crosswordclues.com/clue/heinous

• (a.) Hateful; hatefully bad; flagrant; odious; atrocious; giving great great offense; -- applied to deeds or to character.
Found on
http://thinkexist.com/dictionary/meaning/heinous/
Hei'nous (hā'nŭs)
adjective [ Old French
haïnos hateful, French
haineux , from Old French
haïne hate, French
haine , from
haïr to hate; of German origin. See
Hate .] Hateful; hatefully bad; flagrant; odious; atrocious; giving great offense; --...
Found on
http://www.encyclo.co.uk/webster/H/27

odious (of crime)Â
Found on
http://www.graduateshotline.com/list.html

heinous, heinously, heinousness 1. Shockingly brutal or cruel; hateful; odious. 2. Grossly wicked or reprehensible; abominable: 'The shooter of the students committed a heinous crime.' 3. Etymology: from Old French haineus; from French haineux, from haine, 'hatred'; and hair, 'to hate'.
Found on
http://www.wordinfo.info/words/index/info/view_unit/3704/2

extremely wicked, deeply criminal
Found on
https://www.vocabulary.com/lists/1266387

extremely wicked, deeply criminal
Found on
https://www.vocabulary.com/lists/1969034

extremely wicked, deeply criminal
Found on
https://www.vocabulary.com/lists/2099960
No exact match found.