[syn: awful, dire, direful, dread(a), dreaded, dreadful, fearful, fearsome, frightening, horrendous, horrific, terrible]
The Collaborative International Dictionary of English v.0.48:
Horrific \Hor*rif"ic\, a. [L. horrifieus; horrere to be horrible
   + -ficare (in comp.) to make: cf. F. horrifique. See
   Horror, -fy.]
   Causing horror; frightful.
   [1913 Webster]
         Let . . . nothing ghastly or horrific be supposed. --I.
                                                  Taylor.
   [1913 Webster]
WordNet (r) 3.0 (2006):
horrific
    adj 1: grossly offensive to decency or morality; causing horror;
           "subjected to outrageous cruelty"; "a hideous pattern of
           injustice"; "horrific conditions in the mining industry"
           [syn: hideous, horrid, horrific, outrageous]
    2: causing fear or dread or terror; "the awful war"; "an awful
       risk"; "dire news"; "a career or vengeance so direful that
       London was shocked"; "the dread presence of the headmaster";
       "polio is no longer the dreaded disease it once was"; "a
       dreadful storm"; "a fearful howling"; "horrendous explosions
       shook the city"; "a terrible curse" [syn: awful, dire,
       direful, dread(a), dreaded, dreadful, fearful,
       fearsome, frightening, horrendous, horrific,
       terrible]