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

There, in the early nineties, the living fought fiercely among the dead. — Anthony Lane, New Yorker, 28 Sep. 2026

That is the question plaguing university leaders across the country, and nowhere is the debate raging more fiercely these days than at the University of California. — Jack Dolan, Los Angeles Times, 25 Sep. 2026

My job is to fiercely protect the show above everything else. — Brande Victorian, HollywoodReporter, 24 Sep. 2026

Fierce competition The economic slowdown has only pushed companies in China to compete even more fiercely with each other, and their foreign rivals. — Evelyn Cheng, CNBC, 23 Sep. 2026

Word History

First Known Use

14th century, in the meaning defined at sense 1