implausible vs plausible

implausible and plausible both are adjectives.

Word	Noun	Adjective	Verb	Adverb
implausible	No	Yes	No	No
plausible	No	Yes	No	No

implausible (adjective)	plausible (adjective)
having a quality that provokes disbelief	apparently reasonable and credible, and therefore convincing
	given to or characterized by presenting specious arguments