animal kingdom

noun

: a basic group of natural objects that includes all living and extinct animals compare mineral kingdom, plant kingdom

Examples of animal kingdom in a Sentence

Recent Examples on the Web
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An evolutionary biologist says kissing is common in the animal kingdom and may date back 21 million years. David Morgan, CBS News, 6 Feb. 2026 But there’s another member of the animal kingdom that’s in the spotlight during this year’s Super Bowl, thanks to limited-edition fan merchandise from the singer and the NFL. Lisa Gutierrez, Kansas City Star, 4 Feb. 2026 Greetings are found across the animal kingdom. Shayla Love, New Yorker, 4 Feb. 2026 The startle response is a largely unconscious defense mechanism and a sudden switch in brain state, found throughout the animal kingdom. Ingrid Wickelgren, Quanta Magazine, 30 Jan. 2026 See All Example Sentences for animal kingdom

Word History

First Known Use

1650, in the meaning defined above

Time Traveler
The first known use of animal kingdom was in 1650

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Cite this Entry

“Animal kingdom.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/animal%20kingdom. Accessed 8 Feb. 2026.

Kids Definition

animal kingdom

noun
: a basic group of natural objects that includes all living and extinct animals compare mineral kingdom, plant kingdom

Medical Definition

animal kingdom

noun
: a basic group of natural objects that includes all living and extinct animals compare mineral kingdom, plant kingdom
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