horrendous
adjective
[ hɒˈrɛndəs ]
• extremely unpleasant, horrifying, or terrible.
• "she suffered horrendous injuries"
Similar:
horrible,
dreadful,
horrifying,
horrific,
frightful,
fearful,
awful,
terrible,
shocking,
appalling,
hideous,
grim,
grisly,
ghastly,
harrowing,
gruesome,
heinous,
vile,
nightmarish,
macabre,
unspeakable,
hair-raising,
spine-chilling,
loathsome,
monstrous,
abhorrent,
detestable,
hateful,
execrable,
abominable,
atrocious,
sickening,
nauseating,
Origin:
mid 17th century: from Latin horrendus (gerundive of horrere ‘(of hair) stand on end’) + -ous.