prehistoric

adjective

variants or less commonly prehistorical
Synonyms of prehistoric
1
: of, relating to, or existing in times antedating written history
2
: of or relating to a language in a period of its development from which contemporary records of its sounds and forms have not been preserved
3
: regarded as being outdated or outmoded
prehistoric attitudes

Examples of prehistoric in a Sentence

His attitudes about women are downright prehistoric. prehistoric notions about mental illness that have no place in today's world
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
That spans from prehistoric people to the famed Buffalo Soldiers. — ABC News, 7 Oct. 2026 There, 54 clusters of stone columns more than 6,000 years old point and fan out in every direction, like prehistoric missiles aimed at the sky. — Taylor Luck, Christian Science Monitor, 7 Oct. 2026 The Mokattam Formation in northern Egypt is a thick layer of limestone that has preserved prehistoric marine fossils, including fish, sharks and early whales. — Taylor Nicioli, CNN Money, 6 Oct. 2026 Stroll through the woods and encounter prehistoric scenes, luminous flowers, lantern art and a host of mythical creatures. — Todd Martens, Los Angeles Times, 1 Oct. 2026 See All Example Sentences for prehistoric

Word History

First Known Use

1832, in the meaning defined at sense 1

Time Traveler
The first known use of prehistoric was in 1832

Cite this Entry

“Prehistoric.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/prehistoric. Accessed 15 Oct. 2026.

Kids Definition

prehistoric

adjective
: of, relating to, or existing in times before written history
prehistoric animals
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