Definitions:

1. Describes physical appearance, behavior, or situations that evoke a sense of discomfort or displeasure. NOUN
   • the ugliness of the scar on his face was a constant reminder of the accident.
2. Qualities of appearance that do not give pleasure to the senses. NOUN
   • The dilapidated building stood out for its sheer ugliness amidst the modern architecture of the city.
3. Refers to the quality of being unattractive, unpleasant, or aesthetically unappealing. NOUN
   • The ugliness of the polluted river was a dark contrast to the surrounding natural beauty.
4. The condition of being ugly. NOUN
   • Everything that's realistic has some sort of ugliness in it.
5. The quality of being wicked. NOUN
   • The ugliness of hatred was a poison that ravaged their souls.

Synonyms:

• defacement
• deformity
• disfigurement
• repulsiveness
• unattractiveness
• unloveliness
• unpleasantness
• wickedness