1. Deficient in beauty
2. Displeasing to the senses and morally revolting

In an ugly manner

Liczba mnoga: Ugly Americans

An American in a foreign country whose behavior is offensive to the people of that country.

Liczba mnoga: ugly children

Liczba mnoga: ugly ducklings

An ugly or unpromising child who grows into a beautiful or worthy person.
One that appears very unpromising but often has great potential.

Liczba mnoga: ugly sights