— horrendously , adv.
/haw ren"deuhs, ho-/ , adj.
shockingly dreadful; horrible: a horrendous crime.
[ 1650-60; horrendus dreadful, to be feared (ger. of horrere to bristle, shudder), equiv. to horr- (akin to HIRSUTE) + -endus ger. suffix ]
Syn . appalling, frightful, hideous.