Fiercely
Fiercely adverb - To a great degree.
Usage example: fiercely hot weather
Seriously and fiercely are semantically related. In some cases you can use "Seriously" instead an adverb "Fiercely".
Nearby Words: fierce, fierceness
Seriously
Seriously adverb - To a great degree.
Usage example: that's some seriously good pie
Fiercely and seriously are semantically related. Sometimes you can use "Fiercely" instead an adverb "Seriously".
Nearby Words: serious, seriousness
Mutual synonyms
Related pairs
Both words in one sentence
- Now he knows what the stakes are and what the price of failure is, so he fights seriously and fiercely rather wasting time whining and feeling sorry for himself.
Source: Fanfic / Once More with Feeling -
However, diversity and equality are fiercely fought over politically, so that arguments over what is "going too far" or "a step back" allow for flexibility in how seriously the nation takes tolerance.
Source: Useful Notes / Australia
Cite this Source
Seriously and Fiercely. (2016). Retrieved 2026, August 13, from https://thesaurus.plus/related/fiercely/seriously
Fiercely & Seriously. N.p., 2016. Web. 13 Aug. 2026. <https://thesaurus.plus/related/fiercely/seriously>.
Seriously or Fiercely. 2016. Accessed August 13, 2026. https://thesaurus.plus/related/fiercely/seriously.
Google Ngram Viewer shows how "fiercely" and "seriously" have occurred on timeline