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: regarded as being outdated or outmoded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.
In Germany, archaeologists discovered a medieval tunnel beneath a prehistoric burial site after initially mistaking its entrance for a grave. — Andrea Margolis, FOXNews.com, 13 Nov. 2026 Dating back to prehistoric times, this artificial agricultural plot is where the hotel sources much of its produce. — Wendy O'Dea, Robb Report, 12 Nov. 2026 With their prehistoric dispersal methods long gone, are these trees at risk? — Carl R. Gold, Baltimore Sun, 8 Nov. 2026 The dinosaur attacks have at least one upside, though, as running from the prehistoric beasts forces Denise and Greg to overcome their marital tension. — Mya Copeland, Variety, 6 Nov. 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 15 Nov. 2026.

Kids Definition

prehistoric

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