Fit
Fit adjective - Meeting the requirements of a purpose or situation.
Usage example: clothing that is fit for horseback riding
Incapable
Incapable adjective - Lacking qualities (as knowledge, skill, or ability) required to do a job.
Usage example: hired a supremely incapable assistant who only made a mess of things
Nearby Word: incapability
Both words in one sentence
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Unfortunately, at the end of these periods he'll have a "mind fit" that leaves him incapable of using or understanding language at all for several hours.
Source: Omniglot -
Ridiculously Human Robots: Most androids seen act like a typical computer program, having limited responses and being incapable of understanding things that don't fit their programming.
Source: Literature / Lunar Chronicles -
In Stark's War, the army's top brass is pretty much incapable of understanding or accepting anything that doesn't fit what they were planning to do anyway.
Source: Head-in-the-Sand Management
Cite this Source
Incapable and Fit. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/fit/incapable
Fit & Incapable. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/fit/incapable>.
Incapable or Fit. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/fit/incapable.
Google Ngram Viewer shows how "fit" and "incapable" have occurred on timeline