Webster's Revised Unabridged Dictionary · 1913

Hideous

Hideous (hid"e*us; 277) , adjective

[Old English hidous, Old French hidous, hidos, hidus, hisdos, hisdous, French hideux: compare Old French hide, hisde, fright; of uncertain origin; compare Old High German egidī horror, or Latin hispidosus, for hispidus rough, bristly, English hispid.]

1.
Frightful, shocking, or offensive to the eyes; dreadful to behold; as, a hideous monster; hideous looks.
A piteous and hideous spectacle. — Macaulay
2.
Distressing or offensive to the ear; exciting terror or dismay; as, a hideous noise.
Hideous cries. — Shakespeare
3.
Hateful; shocking.
Sure, you have some hideous matter to deliver. — Shakespeare