Found 2 items, similar to implausibly.
English → English (WordNet) Definition: implausibly implausibly adv : not easy to believe; “behind you the coastal hills plunge to the incredibly blue sea backed by the Turkish mountains” [syn: incredibly, improbably, unbelievably] [ant: believably, credibly]
English → English (gcide) Definition: Implausibly 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]