proven Antonyms

unproven all talk and no trousers transcendental trial uncertain unfounded vague undecided beta theoretical theoretic tester surmisable suppositive suppositional speculative speculation questionable putative blue sky unidentified numinous based on guesswork all icing no cake as a premise unsubstantiated uncorroborated unascertainable unannounced in mind unsure all in one's head unclear disproven bleeding edge all mouth and trousers unconfirmed unverified unproved problematical probative probationary baseless basic concealed conceptive conceptual conjectural developmental dismissed