Approximately and Substantially

Approximately

Approximately adverb - Close to but not exactly.

Substantially and approximately are semantically related. In some cases you can use "Substantially" instead an adverb "Approximately".

Substantially

Substantially adverb - For the most part.
Usage example: the Little House books are substantially based on the memories of Laura Ingalls Wilder

Approximately and substantially are semantically related. Sometimes you can use "Approximately" instead an adverb "Substantially".

Cite this Source
Substantially and Approximately. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/approximately/substantially
Approximately & Substantially. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/approximately/substantially>.
Substantially or Approximately. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/approximately/substantially.
Google Ngram Viewer shows how "approximately" and "substantially" have occurred on timeline