Found 2 items, similar to implausible.
English → English (WordNet) Definition: implausible implausible adj 1: having a quality that provokes disbelief; “gave the teacher an implausible excuse” [ant: plausible] 2: highly imaginative but unlikely; “a farfetched excuse”; “an implausible explanation” [syn: farfetched]
English → English (gcide) Definition: Implausible 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. [1913 Webster]