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: regarded as being outdated or outmoded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.
The finding might indicate that prehistoric marine ecosystems featured a greater variety of predators and were far more complex than previously imagined. Janet Loehrke, USA Today, 4 June 2026 How a prehistoric society managed to scoot the boulder so far without complex tools or transportation methods has perplexed researchers for years. Andrew Paul, Popular Science, 4 June 2026 This prehistoric megalithic monument predates the first Egyptian pyramid. Hanna Wickes, Charlotte Observer, 3 June 2026 This is quintessential Alberta—a place where Indigenous traditions breathe life into the land, where artistry ignites the soul, and where prehistoric treasures foster unwavering connections. Condé Nast, Condé Nast Traveler, 2 June 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 6 Jun. 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

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