prehistoric

adjective

pre·​his·​tor·​ic ˌprē-(h)i-ˈstȯr-ik How to pronounce prehistoric (audio)
-ˈstär-
variants or less commonly prehistorical
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: regarded as being outdated or outmoded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.
On either side of the cool, free-flowing river, hollows flanking the water conceal outtakes from another time—from prehistoric sites dating back thousands of years to untamed wilderness and waterfalls left wholly untouched. Katie Strasberg Rousso, Southern Living, 19 Sep. 2025 Much of this prehistoric area is buried underwater today, but not all of it. Andrew Paul, Popular Science, 18 Sep. 2025 The discovery in Ecuador of multiple pieces of insect-bearing amber—112 millions of years old—has opened a window to the secrets of a prehistoric forest. Rachael O'Connor, MSNBC Newsweek, 18 Sep. 2025 But Nick Tobler's primary focus is on a prehistoric species called sturgeon. Jolene Almendarez, Cincinnati Enquirer, 16 Sep. 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 21 Sep. 2025.

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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