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Synonyms

bullfrog

American  
[bool-frog, -frawg] / ˈbʊlˌfrɒg, -ˌfrɔg /

noun

  • bullfrogs
    plural
  1. a large frog, especially the North American Rana catesbeiana, having a deep voice.


bullfrog British  
/ ˈbʊlˌfrɒɡ /

noun

  1. any of various large frogs, such as Rana catesbeiana ( American bullfrog ), having a loud deep croak

"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

Noun Inflected Forms

Etymology

Origin of bullfrog

1690–1700, bull 1 + frog 1; so called from its size and voice

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.

See Examples For:

Researchers reviewed existing scientific literature, examined museum specimens from around the world, analyzed fungal genetics from Brazilian bullfrog farms, and studied bullfrogs sold internationally.

From Science Daily Jan. 19, 2026

The first season, titled “Cabin in the Woods,” followed a mouse, a raccoon and a bullfrog.

From Los Angeles Times Oct. 27, 2025

"I sing like a bullfrog," he once told record producer Fred Foster.

From BBC Sep. 30, 2024

Never mind that when she sang and danced, she sounded like a bullfrog on steroids and moved like a drunken stevedore.

From New York Times Apr. 24, 2023

Bending over, croaking like a bullfrog that had been caught by a water moccasin, he started going around in a circle.

From "Where the Red Fern Grows" by Wilson Rawls

Researchers reviewed existing scientific literature, examined museum specimens from around the world, analyzed fungal genetics from Brazilian bullfrog farms, and studied bullfrogs sold internationally.

From Science Daily Jan. 19, 2026

To Walter Kerr, also writing in The Times, she was “that cousin of bullfrogs and consort of weary gods,” described as “discreet, dangerous … and gratifyingly funny.”

From New York Times Jan. 4, 2024

A city where bullfrogs sing in marshes, where otters and muskrats frolic along the waterfront, and where kingfishers perform aerial acrobatics into ponds thick with fish.

From Slate Aug. 31, 2023

Since then, we've seen chefs and adventurous home cooks experiment with lionfish, purple sea urchins, bullfrogs and wild pigs.

From Salon Jul. 20, 2023

After listening carefully for the sound of dogs or hunters and hearing nothing but the burping of bullfrogs, Amari signaled that they should ease out of the mire.

From "Copper Sun" by Sharon M. Draper

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