Happiness is a mass noun, you can't count it.

This design has a unique charm because it is asymmetrical.

I'm troubled by his unproductive attitude.

Amorphous substances have characteristics different from crystals.

His glasses are for correcting astigmatism.

That theory is unscientific and has no evidence at all.

He is thought to be a very unsociable person.

He feels that he is a person not fulfilled in real life.

Germany built a new society through the process of denazification.

Denazification was an important process carried out in Germany after World War II.