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 state’s ousted chief minister, 71-year-old Mamata Banerjee, is one of Prime Minister Narendra Modi’s fiercest adversaries.

From The Wall Street Journal • May 6, 2026

But it will not be easy against one of their fiercest rivals - Daniel Farke's men have not won at Old Trafford in the league since 1981.

From BBC • Apr. 10, 2026

Huerta became one of Chavez’s fiercest defenders even after revelations about his autocratic ways became public — but what else was she supposed to do when people tied so much of her identity to him?

From Los Angeles Times • Mar. 19, 2026

Navalny, a charismatic anti-corruption campaigner who rallied hundreds of thousands to the streets in protest at the Russian leadership, was President Vladimir Putin's fiercest domestic opponent for years.

From Barron's • Feb. 16, 2026

That's where they'd caught the fiercest rats to sell by the cageful.

From "The Whipping Boy" by Sid Fleischman