Fit
Fit adjective - Enjoying health and vigor.
Usage example: eat well and stay fit
Vigorous is a synonym for fit in strong topic. In some cases you can use "Vigorous" instead an adjective "Fit", when it comes to topics like physically fit.
Vigorous
Vigorous adjective - Having active strength of body or mind.
Usage example: he remains healthy and vigorous despite being over 80 years old
Fit is a synonym for vigorous in robust topic. Sometimes you can use "Fit" instead an adjective "Vigorous", if it concerns topics such as physically fit.
Cite this Source
Vigorous and Fit. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/fit/vigorous
Fit & Vigorous. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/fit/vigorous>.
Vigorous or Fit. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/fit/vigorous.
Google Ngram Viewer shows how "fit" and "vigorous" have occurred on timeline