Definitions

fierce

[feers] / fɪərs /

ADJECTIVE

violent, menacing

Synonyms

STRONGEST

angry bold brutal cutthroat dangerous ferocious fiery furious intense murderous passionate powerful raging relentless savage stormy strong terrible vehement vicious

WEAK

animal ape awful barbarous bloodthirsty blustery boisterous brutish cruel enraged fell feral flipped frightening horrible howling impetuous infuriated malevolent malign primitive raving tempestuous threatening tigerish truculent tumultuous uncontrollable untamed venomous wild

Antonyms

STRONGEST

apathetic calm cold cool dull gentle good happy indifferent kind mild moderate nice pleasant quiet tame uncaring unpassionate weak

WEAK

meek nonviolent peaceful tender unthreatening

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.

United and American overlap on hundreds of routes, including at Chicago’s O’Hare International Airport, where they have been locked in a fierce battle for terminal gates and passengers.

From The Wall Street Journal • Apr. 17, 2026

But in Sweden, the government's back-to-books strategy has sparked fierce debates in the business community.

From BBC • Apr. 15, 2026

And competition for direct-to-device customers will likely be fierce.

From Barron's • Apr. 15, 2026

When Secretary of War James Monroe proposed a system of national conscription during the War of 1812, the backlash was immediate and fierce.

From Slate • Apr. 15, 2026

“This place has a nest of secrets like a mother bird squatting on her eggs. They tend to them with fierce protection.”

From "The Marvellers" by Dhonielle Clayton

Vocabulary lists containing fierce

Beowulf vocabulary

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Where the Mountain Meets the Moon

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Excerpt from "Flipped"

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