fiercely

adverb

fierce·​ly ˈfirs-lē 

1

: in a fierce or vehement manner

fiercely competitive

2

: to a high degree : very

fiercely expensive

Synonyms of fiercely

• extremely
• very
• incredibly
• terribly
• highly
• too
• desperately
• intensely
• damned
• so
• badly
• damn
• severely
• really
• wildly
• seriously
• heavily
• far
• most
• greatly

Examples of fiercely in a Sentence

fiercely hot weather

Recent Examples on the Web

The easy chemistry translates into the competition itself, where Levine notes that the four coaches are all fiercely competitive, but without the kind of animosity that can sometimes come with fighting over artists. — Alicia Urrea, Billboard, 2 Nov. 2026

Greg’s colleagues from over the years describe him as fiercely competitive, not just with work projects but also with hobbies like running and weight lifting. — Julia Black, Vanity Fair, 2 Nov. 2026

Eisenkot has fewer possibilities, as Netanyahu’s right-wing Likud, and his far-right and ultra-Orthodox allies, have been fiercely loyal to him over the years. — Tia Goldenberg, Chicago Tribune, 30 Oct. 2026

Patrick was kind, strong, fiercely intelligent, collaborative, vulnerable and wise. — Joe Otterson, Variety, 29 Oct. 2026

Word History

First Known Use

14th century, in the meaning defined at sense 1