Top Definition
A combination of two agnostics.
Thomas: I'm agnostic!
Anya: I'm agnostic, too!
Thomas: That makes us a diagnostic!

Person 1: I know these Siamese twins who think the existence of God is unknowable.

Person 2: Ah, yes, another case of diagnosticism.
by Thanya October 20, 2012
Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from We'll never spam you.