1. (adjective) shockingly brutal or cruel

• flagitious
• grievous
• monstrous

2. (adjective) exceptionally bad or displeasing

• abominable
• awful
• dreadful
• painful
• terrible
• unspeakable

3. (adjective) provoking horror

• frightful
• horrible
• horrifying
• ugly

1. (adjective) shockingly brutal or cruel

• evil

2. (adjective) exceptionally bad or displeasing

• bad

3. (adjective) provoking horror

• alarming

1. (adjective) shockingly brutal or cruel

• atrociousness
• atrociousness
• atrocity
• atrocity
• barbarity
• barbarity
• barbarousness
• barbarousness
• heinousness
• heinousness
• atrocity
• inhumanity
• demon
• devil
• fiend
• monster
• ogre
• monstrosity

2. (adjective) exceptionally bad or displeasing

• awfulness
• awfulness
• awfulness
• dreadfulness
• dreadfulness
• dreadfulness
• horridness
• horridness
• horridness
• terribleness
• terribleness
• terribleness

3. (adjective) provoking horror

• frightfulness