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Showing results for bullfrog. Search instead for Mud+frog.
Synonyms

bullfrog

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

noun

  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

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.

To further test the theory that Bd-Brazil spread internationally through bullfrog exports, researchers analyzed historical trade records, fungal genetics from Brazilian frog farms, and genetic data from bullfrogs sold in foreign markets.

From Science Daily • Jan. 19, 2026

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

From BBC • Sep. 30, 2024

A bullfrog and a corgi puppy in a field of daffodils look toward the painted boy acrobat who hangs upside down from his rings, surrounded by butterflies and bumblebees.

From Los Angeles Times • Nov. 14, 2022

In the water, or perhaps traversing a field of lily pads, try to spot a duck or a bullfrog.

From Seattle Times • Jul. 15, 2021

He ripped the picture of the man with the bullfrog sandwich from the wall.

From "The House of the Scorpion" by Nancy Farmer

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.