Extreme
Extreme adjective - Most distant from a center.
Implausible and extreme are semantically related in outlandish topic. In some cases you can use "Implausible" instead an adjective "Extreme".
Implausible
Implausible adjective - Too extraordinary or improbable to believe.
Extreme and implausible are semantically related in outlandish topic. Sometimes you can use "Extreme" instead an adjective "Implausible".
Nearby Word: implausibly
Mutual synonyms
Both words in one sentence
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A number of shark species are harmless to humans because it's simply implausible for a human to ever share their environment, like the goblin shark which occurs at extreme depths, or the Greenland Shark which lives in frigid arctic waters.
Source: Threatening Shark - It sounds like Nah buys his incredibly implausible story until she reveals to the audience that Morgan was utterly covered in cuts and bruises, and that, yes, Morgan did indeed brave extreme danger and probably a great many risen to get that flower for her.
Source: Funny / Fire Emblem Awakening
Cite this Source
Implausible and Extreme. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/extreme/implausible
Extreme & Implausible. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/extreme/implausible>.
Implausible or Extreme. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/extreme/implausible.
Google Ngram Viewer shows how "extreme" and "implausible" have occurred on timeline