implausible

/ɪmˈplɔːzəbəl/
adjective
  1. Not seeming reasonable or probable; difficult to believe.
    • The scientist dismissed the theory as implausible due to lack of evidence.
    • Her excuse for being late was so implausible that everyone laughed.
    • It seems implausible that he could run a marathon without any training.
What does "implausible" mean? | whatsthatwordmean | whatsthatwordmean