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 fantasy drama follows 10-year-old Bernardo, who after his father’s death, clings fiercely to his mother while secretly caring for an injured baby goat deep in the rainforest. —Anna Marie De La Fuente, Variety, 15 May 2026

Debate gets heated The bill, which passed 102-46, was fiercely debated on the House floor. —Jack Harvel, Kansas City Star, 13 May 2026

LoBue, whose older sister Rosellina was brutally stabbed to death in 1987 by Erik Chatman, fiercely objected to the resentencing, and last month, Chatman was further resentenced to a 25-year prison term and immediate parole eligibility, to head off a prospective retrial. —Caelyn Pender, Mercury News, 13 May 2026

The country’s leader, Miguel Díaz-Canel, has been fiercely pushing back against Secretary of Defense Pete Hegseth’s remarks in a congressional hearing on Tuesday that called Cuba a national security threat to the United States. —Nora Gámez Torres, Miami Herald, 13 May 2026

Word History

First Known Use

14th century, in the meaning defined at sense 1