say it: firs
fierce is an adjective meaning "marked by extreme and violent energy". It carries 4 recorded senses.
marked by extreme intensity of emotions or convictions; inclined to react violently; fervid
“fierce loyalty”
“in a tearing rage”
“vehement dislike”
“violent passions”
violently agitated and turbulent
“boisterous winds and waves”
“the fierce thunders roar me their music”
“rough weather”
“rough seas”
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for fierce come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.