Synonyms of hideousness

2 Syllables
plainness
3 Syllables
monstrousness, freakishness, dreadfulness, frightfulness, ugliness
4 Syllables
deformities, misshapenness, unsightliness, grotesqueness, homeliness, monstrosities, monstrosity, deformity, unseemliness
5 Syllables
repulsiveness, disfigurement, offensiveness
6 Syllables
unattractiveness