
1) Alarming 2) Appalling 3) Awful 4) Dire 5) Direful 6) Dread 7) Dreaded 8) Dreadful 9) Fearful 10) Fearsome 11) Frightening 12) Grisly 13) Gruesome 14) Hideous 15) Horrendous 16) Horrifying 17) Outrageous 18) Terrible 19) Terrifying 20) Violent
Found on
https://www.crosswordclues.com/clue/horrific

1) Appalling 2) Awful 3) Causing horror 4) Dreadful 5) Frightful 6) Ghastly 7) Gruesome 8) Hideous 9) Horrendous 10) Horrible 11) Horrid 12) Offensive 13) Outrageous 14) Shocking 15) Shocking, terrifying 16) Sickening 17) Terrible
Found on
https://www.crosswordclues.com/clue/horrific

• (a.) Causing horror; frightful.
Found on
http://thinkexist.com/dictionary/meaning/horrific/
Hor·rif'ic adjective [ Latin
horrifieus ;
horrere to be horrible +
-ficare (in comp.) to make: confer French
horrifique . See
Horror ,
- fy .] Causing horror; frightful. « Let . . . nothing ghastly or
horrific be supposed.»
I. Taylor...Found on
http://www.encyclo.co.uk/webster/H/62

horrific 1. Grossly offensive to decency or morality; causing horror. 2. Very bad and shocking; such as, a horrific accident or crime. 3. So bad as to be shocking: 'The report detailed the horrific conditions of the spring snow fall and freezing of the budding peaches, apples, cheries, grapes, pecans, etc.'
Found on
http://www.wordinfo.info/words/index/info/view_unit/793/16

causing horror.
Found on
https://www.infoplease.com/dictionary/horrific
No exact match found.