implausible vs farfetched

implausible and farfetched both are adjectives.

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

implausible (adjective)	farfetched (adjective)
having a quality that provokes disbelief	(of an idea or story) so exaggerated or ludicrous as to be improbable
	(of a theory or explanation) highly imaginative but unlikely and unconvincing