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Synonyms

rabid

American  
[rab-id] / ˈræb ɪd /

adjective

  1. irrationally extreme in opinion or practice.

    a rabid isolationist;

    a rabid baseball fan.

    Synonyms:
    bigoted, fanatical, ardent, fervent, zealous
  2. furious or raging; violently intense.

    a rabid hunger.

  3. affected with or pertaining to rabies; mad.


rabid British  
/ ˈreɪ-, ˈræbɪd, rəˈbɪdɪtɪ /

adjective

  1. relating to or having rabies

  2. zealous; fanatical; violent; raging

"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

Other Word Forms

Etymology

Origin of rabid

First recorded in 1605–15; from Latin rabidus “raving, furious, mad,” from rab(ere) “to rave, be mad” + -idus -id 4

Explanation

Chances are that if the tail-wagging dog that just appeared on your doorstep is also foaming at the mouth and chewing on your welcome mat, it's rabid and you should back away slowly; no petting for this infectious pup. While you've likely heard it used to describe an animal infected by rabies, rabid (derived from the Latin verb rabere, "be mad, rave") can also dramatically describe a person exhibiting fanatical, extremely enthusiastic, or raging behavior. That guy who nearly knocked you off the stands at the football game with his energetic fist-pumping and then was later kicked out for getting into a fight with another fan? Rabid on both counts.

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Vocabulary lists containing rabid

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.

Playing at home, at 7,300 feet above sea level and before 80,000 or so rabid supporters, El Tri will be heavily favored to win.

From Salon • Jun. 11, 2026

But others remained loyal, not to say rabid, followers known as Talkers.

From The Wall Street Journal • May 15, 2026

Far from cheapening the brand, Ferrari’s rabid base of superfans only enhances the brand’s appeal to clients who can afford to pay millions of dollars for a car they will rarely drive.

From The Wall Street Journal • Apr. 10, 2026

While the limitations Augusta National has put on its coverage have helped make the Masters a distinctive sporting event, the rabid golf fan believes more is better.

From Los Angeles Times • Apr. 8, 2026

Decca’s eyes gleam like the eyes of a small, rabid animal.

From "All The Bright Places" by Jennifer Niven

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