Synonyms

fiercely

American

[feers-lee] / ˈfɪərs li /

adverb

in a menacing, violent, or forceful way.

The bear stood on his back paws, growling fiercely.
Currently, some 20 wildfires are raging fiercely through the state.
in an eager or intense way.

Isaiah has developed into a fiercely competitive soccer player.

Other Word Forms

Etymology

Origin of fiercely

fierce ( def. ) + -ly

Vocabulary lists containing fiercely

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Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Fiercely driven to stand out, Mr. Rollins decided that sounding like Sonny Rollins made more sense.

From The Wall Street Journal • May 26, 2026

Fiercely protective of his private life, he has many of the same friends he hung out with as a child.

From Barron's • Jan. 31, 2026

Fiercely original films, female-focused stories and theatrical-first releases had the clear edge.

From Seattle Times • Jan. 19, 2023

Fiercely protective of each other, four of the sisters despise their singularly awful brother-in-law, John Paul — a.k.a.

From Los Angeles Times • Aug. 26, 2022

Fiercely he hit out at the filthy thing in front of him that bobbed like a toy and came back, still grinning into his face, so that he lashed and cried out in loathing.

From "Lord of the Flies" by William Golding

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023