Broad
Broad adjective - Having considerable extent.
Usage example: her broad knowledge of American politics makes her a much-sought-after guest on talk shows
Capacious is a synonym for broad in range topic. In some cases you can use "Capacious" instead an adjective "Broad", when it comes to topics like large, extensive, wide physically.
Capacious
Capacious adjective - More than adequate or average in capacity.
Usage example: that car has a capacious trunk that makes it a good choice for families
Broad is a synonym for capacious in range topic. You can use "Broad" instead an adjective "Capacious", if it concerns topics such as ample, extensive, spacious.
Mutual synonyms
Cite this Source
Capacious and Broad. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/broad/capacious
Broad & Capacious. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/broad/capacious>.
Capacious or Broad. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/broad/capacious.
Google Ngram Viewer shows how "broad" and "capacious" have occurred on timeline