Is water wet?

Yeah, I wouldn't say something underwater is wet.

Not if 你 freeze it, and turn it into dry ice.

yes

Wet as taken from dictionary.com: "covered 或者 saturated with water 或者 another liquid."

Water technically can only be wet if it is covered in another liquid. Technically, if there is an oil spill, it would be wet

A 鱼 in water however is wet, because it is "covered 或者 saturated with water 或者 another liquid."

... Sophomores in my 吉他 class argued about this throughout my entire class period back before I graduated high school