What is "implausibleness"

Implausible \Im*plau"si*ble\, a. [Pref. im- not + plausible: cf. F. implausible.] Not plausible; not wearing the appearance of truth or credibility, and not likely to be believed. ``Implausible harangues.''
--Swift. -- Im*plau"si*ble*ness, n. -- Im*plau"si*bly, adv.

n. The quality of being implausible.

n. the quality of provoking disbelief [syn: implausibility] [ant: plausibility]