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.

But during the greatest turnaround that Silicon Valley has ever seen, Jobs was fanatical about one idea: Apple was a place to invent the future, not dwell on the past.

From The Wall Street Journal • Apr. 3, 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

"He is a workaholic, fanatical and leads from the front. I guess that is why a lot of these younger players who are coming through are working so hard for him and having great success."

From BBC • Mar. 3, 2025

Wynona has designs on River’s cat, and River keeps planting a botanical species on workplace grounds that Wynona is on a fanatical mission to wipe out.

From Los Angeles Times • Feb. 7, 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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