hideous
adjective
[ ˈhɪdɪəs ]
• extremely ugly.
• "hideous lizard-like creatures"
Similar:
ugly,
unsightly,
repulsive,
repellent,
revolting,
gruesome,
disgusting,
grotesque,
monstrous,
grim,
ghastly,
macabre,
misshapen,
misproportioned,
reptilian,
weird,
freaky,
as ugly as sin,
fugly,
like the back end of a bus,
huckery,
Origin:
Middle English: from Old French hidos, hideus, from hide, hisde ‘fear’, of unknown origin.