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Definition of fierceness
fierceness
/ˈfɪrs.nəs/
fierce · ness
Adverb:fiercely
•Adjective:fierce
fierceness Lexical Profile
CEFR
B2
Grade
7
Tier
2
Usage
Top 10k
Syllables
2
fierceness Game Scores & Validity
Scrabble US
Scrabble UK
WWF
Wordle Guess
• noun
1
The state or quality of being aggressive, untamed, or menacing in disposition or behavior.
Example
"The wildlife documentary captured the raw fierceness of the mother bear defending her cubs."
2
Extreme intensity, severity, or power, especially of natural forces, emotions, or competition.
Example
"The unexpected fierceness of the winter gale forced the coastal ferries to suspend operations."
Synonyms
View all synonyms for fierceness Antonyms
View all antonyms for fiercenessWord Origin & Etymology
Formed in Middle English from the adjective 'fierce' (via Old French 'fers' and Latin 'ferus', meaning 'wild' or 'untamed') combined with the native Old English noun-forming suffix '-ness'.
Cite this Entry
Wordmom. (2026). Definition of Fierceness. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/fierceness