fanatical

[fuh-nat-i-kuhl] / fəˈnæt ɪ kəl /

ADJECTIVE

overenthusiastic

Synonyms

STRONGEST

bigoted dogmatic enthusiastic fervent frenzied impassioned narrow-minded obsessive passionate rabid single-minded stubborn violent zealous

WEAK

biased bugged burning contumacious credulous devoted domineering erratic extreme feverish fiery headstrong high on immoderate impulsive incorrigible infatuated mad monomaniacal nuts for obsessed obstinate opinionated partial partisan possessed prejudiced radical raving turned on unruly visionary wild willful

Antonyms

STRONGEST

apathetic broad-minded calm cool doubting happy indifferent lethargic tolerant unenthusiastic unexcited

WEAK

disinterested dispassionate impartial

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.

To all but his most fanatical followers, it’s clear he possesses a megalomaniacal personality and violent temperament.

From Salon • Mar. 7, 2026

India captain Suryakumar Yadav admitted Friday "there will be nerves" when India open their T20 World Cup campaign in front of more than 30,000 fanatical home supporters in Mumbai, but vowed to give them "entertainment".

From Barron's • Feb. 6, 2026

If the 55-year-old Asturian can bring the Champions League to Paris for the first time, PSG's fanatical ultras will be believe he can also walk on water.

From BBC • May 30, 2025

Ms. Lucio, as the often dismissive Isidora, and Ms. Verson, as the frantically fanatical Susie, have the most overtly comic roles and make the most of their material.

From The Wall Street Journal • Feb. 21, 2025

Before last light on May 8, Germany’s most fanatical boy soldiers were prisoners of war.

From "Hitler Youth: Growing Up in Hitler's Shadow" by Susan Campbell Bartoletti

Vocabulary lists containing fanatical

"To Kill a Mockingbird" by Harper Lee, Chapters 7–11

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The Bean Trees

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"Simon's Saga," Vocabulary from Episode 34

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