Because that is the essence of wetness?

Why is fire dry?

BECAUSE YOU SMILED NODDED ALONG AND APPEARED TO BE LISTENING TO IT DURING DINNER

Same reason it’s rock solid below 32F

It's dryphobic

I would look at the company it keeps.

Why is wine dry?

because all goddesses of the sea and water were women:

amphredite, yemaya, atabeth, anuket

It's actually the other way around. Wet is water, therefore water is wet.

Well, it's not really wet.

The things it touches become "wet".

Water is just loose.

Semantics. Mostly.