Extensively
Extensively adverb - To a large extent or degree.
Fiercely and extensively are semantically related. In some cases you can use "Fiercely" instead an adverb "Extensively".
Fiercely
Fiercely adverb - To a great degree.
Usage example: fiercely hot weather
Extensively and fiercely are semantically related. Sometimes you can use "Extensively" instead an adverb "Fiercely".
Nearby Words: fierce, fierceness
Cite this Source
Fiercely and Extensively. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/extensively/fiercely
Extensively & Fiercely. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/extensively/fiercely>.
Fiercely or Extensively. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/extensively/fiercely.
Google Ngram Viewer shows how "extensively" and "fiercely" have occurred on timeline