Adjective

(en-adj)

repellently frightful and shocking; horrific or ghastly

* 1912 : (Edgar Rice Burroughs), (Tarzan of the Apes), Chapter 6

In the middle of the floor lay a skeleton, every vestige of flesh gone from the bones to which still clung the mildewed and moldered remnants of what had once been clothing. Upon the bed lay a similar gruesome thing, but smaller, while in a tiny cradle near-by was a third, a wee mite of a skeleton.

* {{quote-news

, year=2011 , date=May 04 , title=Bin Laden was unarmed when shot dead citation , passage=Jay Carney said that the US was considering whether to release photos of bin Laden after he was killed on Sunday but that the photos were gruesome and could be inflammatory.}}

Adjective

(en adjective)

Having a bad or foul taste.

(figuratively) Unpleasant.

*, chapter=12

, title= The Mirror and the Lamp , passage=All this was extraordinarily distasteful to Churchill. It was ugly, gross. Never before had he felt such repulsion when the vicar displayed his characteristic bluntness or coarseness of speech. In the present connexion—or rather as a transition from the subject that started their conversation—such talk had been distressingly out of place.}}

Offensive.