Definition of plausible adjective from the Oxford Advanced Learner's Dictionary



    BrE BrE//ˈplɔːzəbl//
    ; NAmE NAmE//ˈplɔːzəbl//
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  1. 1(of an excuse or explanation) reasonable and likely to be true Her story sounded perfectly plausible. The only plausible explanation is that he forgot. opposite implausible
  2. 2(disapproving) (of a person) good at sounding honest and sincere, especially when trying to trick people She was a plausible liar.
  3. Word Originmid 16th cent. (also in the sense ‘deserving applause or approval’): from Latin plausibilis, from plaus- ‘applauded’, from the verb plaudere.Extra examples There was no way the story could be made to sound even remotely plausible. This explanation fits the facts and is psychologically plausible. This view seems intuitively plausible and has a long history. a perfectly plausible theory an equally plausible explanation His answer was plausible enough. If you’re going to make an excuse, at least make it plausible!
See the Oxford Advanced American Dictionary entry: plausible