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Synonyms

mammals

Cultural  

  1. A class of vertebrates characterized by the production of milk by the females and in most cases, by a hairy body covering. Most mammals give live birth to their young. Human beings are mammals.

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.

The catastrophic 1969 offshore oil spill in Santa Barbara killed thousands of sea birds and marine mammals.

From Los Angeles Times • Mar. 26, 2026

This route may have remained active for land mammals much later than previously believed.

From Science Daily • Mar. 24, 2026

A survey from 2020 said there were just over 10,000 of the huge mammals in existence.

From BBC • Mar. 18, 2026

The region hosts the world's second-largest population of dugongs -- herbivorous marine mammals known as "sea cows" that are listed as vulnerable -- with an estimated 5,000 to 7,500 individuals.

From Barron's • Mar. 17, 2026

In addition, the largest domestic mammals interacted with domestic plants to increase food production by pulling plows and thereby making it possible for people to till land that had previously been uneconomical for farming.

From "Guns, Germs, and Steel: The Fates of Human Societies" by Jared M. Diamond

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.