Search Result for "implausible": 
Wordnet 3.0

ADJECTIVE (2)

1. having a quality that provokes disbelief;
- Example: "gave the teacher an implausible excuse"

2. highly imaginative but unlikely;
- Example: "a farfetched excuse"
- Example: "an implausible explanation"
[syn: farfetched, implausible]



The Collaborative International Dictionary of English v.0.48:

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]


WordNet (r) 3.0 (2006):

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, implausible]