ugliest
ug-li-est
adjective
Having the most unpleasant or unattractive appearance, sound, or character.
"That old building is the ugliest in the city."
Thesaurus
Synonyms: monstrous, hideous, disfigured, off fleek, ugly ass, evil-looking, ill-favoured, unlovely, unsightly, grotesque, ill-favored, fugly
Antonyms: beautiful