Definition of "implausibility" [im•plau•si•bil•i•ty]

• Want of plausibility; the quality of being implausible. (noun)
• That which makes something lacking in plausibility (noun)

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• "When the time came for her to talk about my manuscript she had the audience laughing over what she called the implausibility of my plot."
• "To my mind, the only real implausibility is the idea of humans prevailing."
• "The level of implausibility is not quite as high as two years ago, but it is still implausible."