motivated or characterized by an extreme, uncritical enthusiasm or zeal, as in religion or politics.
- Also fanatic.
- fa·nat·i·cal·ly, adverb
- fa·nat·i·cal·ness, noun
- non·fa·nat·i·cal, adjective
- non·fa·nat·i·cal·ly, adverb
- un·fa·nat·i·cal, adjective
- un·fa·nat·i·cal·ly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use fanatical in a sentence
They also tended to be the loudest voices and the most likely to preach the most fanatical ideas.TheDonald’s owner speaks out on why he finally pulled plug on hate-filled site | Craig Timberg, Drew Harwell | February 5, 2021 | Washington Post
Presumably since then this problem has gotten, and will continue to get, worse, because “motivated partisan reasoning”—most of all in the United States—is becoming more fanatical.Why America Is Ripe for Election Conspiracy Theorizing - Facts So Romantic | Brian Gallagher | November 17, 2020 | Nautilus
Our family is fanatically loyal to accommodating businesses and avoid those that seem perplexed by us.Disney World Means Everything to a Special Needs Mom | Elizabeth Picciuto | July 17, 2014 | THE DAILY BEAST
But how would they get inside a highly disciplined organization whose sworn members were fanatically committed to their cause?The CIA Tried Hard to Recruit Spies Among the Al Qaeda Prisoners at Gitmo | Daniel Klaidman | November 28, 2013 | THE DAILY BEAST
More likely, playing Dots fanatically, as about three million of us do, will mainly make you better at…playing Dots.
But there is at the very least a strong minority fanatically opposed to a repeal of the policy.
The poor like the Queen personally, and like to gaze at royal pageantry; but they are not fanatically loyal.Glances at Europe | Horace Greeley
He was attached fanatically to Napoleon, who could appreciate him, and who made him chief of division in 1804.Repertory Of The Comedie Humaine, Complete, A -- Z | Anatole Cerfberr and Jules Franois Christophe
Bierce was the cleanest man, personally, of whom I have knowledge—almost fanatically so, if such a thing be possible.The Letters of Ambrose Bierce | Ambrose Bierce
The hero meets a princess in a far-away island among fanatically hostile Musselmen.The Eternal City | Hall Caine
Nayland is a stuffed shirt of the first stuffing, and a tinpot Hitler to boot, but he is fanatically and incorruptibly patriotic.The Mercenaries | Henry Beam Piper
British Dictionary definitions for fanatical
surpassing what is normal or accepted in enthusiasm for or belief in something; excessively or unusually dedicated or devoted
- fanatically, adverb
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012