形容詞 horrific:

1. grossly offensive to decency or morality; causing horror
   同義詞：hideous, horrid, outrageous
2. causing fear or dread or terror
   同義詞：awful, dire, direful, dread, dreaded, dreadful, fearful, fearsome, frightening, horrendous, terrible

1. The blood in my veins curdled at the horrific sight.
   看到這一可怕情景時，我血管中的血似乎凝固了
2. He stiffened (with terror) at the horrific sight.
   他看到那恐怖的情景嚇呆了。

hor.rif.ic

adj.（形容詞）
Causing horror; terrifying.
可怕的：引起恐懼的；令人害怕的

來源：
Latin horrificus
拉丁語 horrificus
horrôre [to tremble]
horrôre [發(fā)抖]
-ficus [-fic]
-ficus [后綴，表示.形成…的.]

【引伸】
horrif.ically
adv.（副詞）