You'd like to get married, but unfortunately, you live in a society where your relationship is considered unnatural and immoral.

It is not happiness, but suffering that we consider unnatural.

This fine tuning is also considered unnatural.

Mixing of two different colors two dye clothing was considered unnatural and diabolic in Medieval times.

That viruses were particles was not considered unnatural and fitted in nicely with the germ theory.

"In principle the lack of diplomatic relations between countries in modern times is considered unnatural."

Once this was considered insane or unnatural.

In the early years of American history, women were discouraged from pursuing higher education because it was culturally considered unnatural for a woman to be educated.

Deaths where the known cause and those considered unnatural are investigated.

He finished his sandwiches slowly, and tried to see if anything else might be considered unnatural about the planet.