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: regarded as being outdated or outmoded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.
The Museum includes creative work from prehistoric cave paintings to today’s on-screen art. Michael Goldstein, Forbes.com, 18 Aug. 2026 The park is known for its fossil record and has yielded evidence of prehistoric life spanning millions of years. Brandi D. Addison, USA Today, 17 Aug. 2026 The film, written and directed by David Robert Mitchell, stars McGregor and Hathaway as suburban parents in 1982 whose neighborhood is mysteriously transported to prehistoric times. ABC News, 16 Aug. 2026 Anne Hathaway and Ewan McGregor star in the movie about a family in the early 1980s whose suburban neighborhood has landed in a place teeming with prehistoric predators. Ryan Gajewski, HollywoodReporter, 15 Aug. 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 26 Aug. 2026.

Kids Definition

prehistoric

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