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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.

This indicates that these birds not only ingest alcohol but process it in a way similar to mammals.

From Science Daily • Mar. 25, 2026

Concentrations of beryllium, copper, chromium, nickel and lead in particular were significantly above established safety thresholds for marine life, prompting fears for the long-term health of fish, marine mammals and the marine food chain.

From Los Angeles Times • Mar. 20, 2026

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

From BBC • Mar. 18, 2026

"Sea mines and other explosive devices can cause acoustic disturbance impacting sea mammals and other animals, and blast damage to natural undersea structures such as reefs," Weir said.

From Barron's • Mar. 17, 2026

Once cows, horses, and other large mammals were domesticated, they were hitched to plows, and fields were tilled by animal power.

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.