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

Third, the military collapse of the caliphate 10 years ago didn’t result only in its territorial disappearance; it also led to the internment of several thousand jihadists fanatical to the point of madness.

From The Wall Street Journal • Feb. 2, 2026

Enter DJ Admin, real name Rick Jansen, who is the man tasked with keeping the fanatical orange-clad crowd in the dedicated grandstands entertained during a race weekend.

From BBC • Aug. 29, 2025

An hour’s listening disclosed the fanatical intolerance of minds sealed against new ideas, new facts, new feelings, new attitudes, new hints at ways to live.

From "Black Boy" by Richard Wright

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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