prehistoric

adjective

pre·​his·​tor·​ic ˌprē-(h)i-ˈstȯr-ik How to pronounce prehistoric (audio)
-ˈstär-
variants or less commonly prehistorical
Synonyms of prehistoricnext
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: regarded as being outdated or outmoded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
prehistorically adverb

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.
To confirm their findings, the team compared the prehistoric residue to 250-year-old arrows stored in Swedish museums. Mrigakshi Dixit, Interesting Engineering, 7 Jan. 2026 And if the sneakers themselves didn’t go heavy enough with the prehistoric theme, the shoebox is also fully decked out with a dinosaur motif which, when opened, is intended to look like a Tyrannosaurus opening its mouth. Riley Jones, Footwear News, 6 Jan. 2026 Combining teamwork, community service, and prehistoric action? Lauren Brown West-Rosenthal, Parents, 1 Jan. 2026 Interestingly, prehistoric Homo sapiens, too, had a similar nitrogen signature as Neanderthals. Jay Kakade december 31, New Atlas, 31 Dec. 2025 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 Jan. 2026.

Kids Definition

prehistoric

adjective
pre·​his·​tor·​ic ˌprē-(h)is-ˈtȯr-ik How to pronounce prehistoric (audio)
-ˈtär-
: of, relating to, or existing in times before written history
prehistoric animals
prehistorically adverb

More from Merriam-Webster on prehistoric

Last Updated: - Updated example sentences
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