Implausibility refers to the quality of being unlikely, improbable, or incredulous. Synonyms for implausiblenesses could be found in words such as fantastic, far-fetched, unlikely, incredulous, or unbelievable. These synonyms describe situations or claims that stretch the limits of credibility or plausibility. Other synonyms for implausibility include dubiousness, improbability, and uncertainty. These words all convey the sense of something being hard to believe or unlikely to occur. While implausibility can be a negative quality, it can also be appreciated in works of fiction or creative endeavors, where the strange and fantastical may be celebrated for their uniqueness and unpredictability.