This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

adj. Arousing or tending to arouse horror; dreadful: "War is beyond all words horrible” ( Winston S. Churchill).

adj. Very unpleasant; disagreeable.

n. A thing that causes horror; a terrifying thing, particularly a prospective bad consequence asserted as likely to result from an act.

n. A person wearing a comic or grotesque costume in a parade of horribles.

adj. Causing horror; terrible; shocking.

adj. Tremendously wrong or errant.

adj. Exciting, or tending to excite, horror or fear; dreadful; terrible; shocking; hideous

Exciting or tending to excite horror; dreadful; terrible: as, a horrible sight; horrible cruelty; a horrible story.

Hideous; shocking; extremely repulsive: as, horrible deformity; a horrible smell.

Synonyms Execrable, Abominable, etc. (see nefarious); frightful, fearful, horrid, awful, revolting.

adj. provoking horror

"Earlier Tuesday, Italy recalled its ambassador to Syria, citing what it called the "horrible repression of the civilian population.""

alarming   

wicked    outrageous    monstrous    abominable   

horrific    horrify    horrendous    horror   

horrid    frightful    hideous    shocking    terrible    terrific    fearful    awful    dreadful    frightening   

adorable    deplorable   

terrible    horrid    ghastly    monstrous    extraordinary    miserable