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: regarded as being outdated or outmoded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.
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 The puzzle finally started to come together this year after scientists extracted new clues from a prehistoric human skull. Daniel Wine, CNN Money, 30 Dec. 2025 Above the glacial lake Ullswater, prehistoric cairns and burial mounds dot the high moorland, including the Cockpit Stone Circle, which spans 90 feet. Andrea Bussell, Travel + Leisure, 27 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 4 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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