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

But critics of the proposal fiercely rejected the plan over concerns about introducing private interests into the world’s largest soccer tournament that would expect to make a profit on their investment. — Marco Quiroz-Gutierrez, Fortune, 4 Sep. 2026

The only companies that have to worry about a federal antitrust prosecution at this point are those that Trump fiercely dislikes. — James Surowiecki, The Atlantic, 4 Sep. 2026

The government continues to fiercely prosecutes its critics, barring Cubans who antagonize the communist regime from the pool of potential investors. — Nora Gámez Torres, Miami Herald, 2 Sep. 2026

Beneath all that celebration, however, both actors see a surprising amount of vulnerability in Beatrice and Benedick — two fiercely witty characters whose verbal sparring hides their fear of opening themselves up to love. — Dave Quinn, PEOPLE, 2 Sep. 2026

Word History

First Known Use

14th century, in the meaning defined at sense 1