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Definitions

fiercely

[feers-lee] / ˈfɪərs li /
ADVERB
violently, menacingly
Synonyms
STRONGEST
angrily boldly brutally ferociously forcefully frantically furiously madly mightily passionately savagely severely vehemently viciously wildly
WEAK
awfully forcibly frenziedly frighteningly hard horribly impetuously in a frenzy irresistibly like cats and dogs maleficiently malevolently malignly monstrous no holds barred riotously roughly stormily tempestuously terribly threateningly tigerishly tooth and nail turbulently uncontrollably venomously with bared teeth
Antonyms
STRONGEST
calmly gently
WEAK
kindly mildly quietly tamely

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.

While the broader tech industry fiercely debates whether the future of AI lies in transformers, diffusion models, or newer concepts, PrismML’s mathematical framework can be applied to any of them, according to Hassibi.

From The Wall Street Journal • Mar. 31, 2026

The Neo was met with widespread enthusiasm and is expected to compete fiercely with Windows laptops and Chromebooks.

From MarketWatch • Mar. 31, 2026

After the airstrikes that killed Ayatollah Ali Khamenei, Iranian-Canadian Salar Gholami went to a rally in a Toronto suburb to celebrate the downfall of a leader he fiercely opposed.

From Barron's • Mar. 27, 2026

The streaming giant’s need for original content is one of the main reasons Netflix fought fiercely to acquire Warner Bros.

From Los Angeles Times • Mar. 19, 2026

Mamá’s eyes flashed, her nostrils flared, and her mouth was set into a straight thin line, like a she-wolf snarling fiercely as she protected her cubs.

From "Summer of the Mariposas" by Guadalupe García McCall

From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.