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fiercest

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 uncontrollable untamed venomous wild

Antonyms

STRONGEST

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

The fiercest subject of debate has been around whether to allow plants if they are well-watered.

From Los Angeles Times • Apr. 25, 2026

It has conquered Silicon Valley, jolted Wall Street and even managed to scramble Anthropic’s fiercest rival.

From The Wall Street Journal • Mar. 21, 2026

Even those that some of the fiercest critics played in.

From BBC • Mar. 13, 2026

The only thing standing in their way is the opponent that Team USA has spent a year obsessing over: Canada, the sport’s ultimate powerhouse and the Americans’ fiercest rival.

From The Wall Street Journal • Feb. 21, 2026

Our mother was our greatest role model and fiercest protector, and I was going to take a lesson from her; ignore the haters and the naysayers and just focus on being my best self.

From "Proud" by Ibtihaj Muhammad