variants
also prehistorical
as in archaic
having passed its time of use or usefulness
prehistoric notions about mental illness that have no place in today's world
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Antonyms & Near Antonyms
Example Sentences
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Recent Examples of prehistoric
This name comes from the giant lake sturgeon, a prehistoric-looking fish, once found abundantly in the Great Lakes and Lake Champlain, according to the Old Farmer's Almanac.
—
Seth Jacobson, The Providence Journal, 13 Jan. 2026
On the moors, cliffs, and hills there are wind farms; oil terminals; small farms, some of which have been there for many centuries; ruined medieval churches and hermitages; and prehistoric settlements, tombs, and monuments.
—Sarah Moss, Travel + Leisure, 11 Jan. 2026
And if the sneakers themselves didn’t go heavy enough with the prehistoric theme, the shoebox is also fully decked out with a dinosaur motif which, when opened, is intended to look like a Tyrannosaurus opening its mouth.
—Riley Jones, Footwear News, 6 Jan. 2026
Combining teamwork, community service, and prehistoric action?
—Lauren Brown West-Rosenthal, Parents, 1 Jan. 2026
See All Example Sentences for prehistoric
Seth Jacobson, The Providence Journal, 13 Jan. 2026
On the moors, cliffs, and hills there are wind farms; oil terminals; small farms, some of which have been there for many centuries; ruined medieval churches and hermitages; and prehistoric settlements, tombs, and monuments.
—Sarah Moss, Travel + Leisure, 11 Jan. 2026
And if the sneakers themselves didn’t go heavy enough with the prehistoric theme, the shoebox is also fully decked out with a dinosaur motif which, when opened, is intended to look like a Tyrannosaurus opening its mouth.
—Riley Jones, Footwear News, 6 Jan. 2026
Combining teamwork, community service, and prehistoric action?
—Lauren Brown West-Rosenthal, Parents, 1 Jan. 2026
See All Example Sentences for prehistoric
Recent Examples of Synonyms for prehistoric
Adjective
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Yet university leaders have spoken optimistically about the future, bolstered by its new membership in the Mid-American Conference (MAC), its coaching staff and a $25 million renovation of its archaic football stadium.—
Daniel Libit,
Sportico.com,
23 Jan. 2026
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But while the word’s general usage sounds more than a little archaic in the 21st century, its application to a particular kind of deceit prohibited in war remains active law.—
Harmeet Kaur,
CNN Money,
21 Jan. 2026
Adjective
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We are being billed based on an obsolete business model that privatizes the profits and socializes the costs.—
U T Readers,
San Diego Union-Tribune,
22 Jan. 2026
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Even in modern medicine, the practice isn’t obsolete; doctors sometimes apply live leeches after reconstructive surgery to keep blood from clotting in flaps of tissue.—
Blair Braverman,
Outside,
21 Jan. 2026
Adjective
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The quaint city suffered very little damage during World War II, meaning its distinctly medieval structures have managed to remain intact over the years.—
Condé Nast Traveler,
Condé Nast Traveler,
7 Jan. 2026
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Take the quiz here … LEGENDARY LISTING – Jaw-dropping medieval castle with 100 rooms hits market with nearly 1,000 years of history.—
,
FOXNews.com,
7 Jan. 2026
Adjective
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The pair led City to the Third Division title in May 1985, but triumph turned to tragedy on the final day of the season as the antiquated main stand caught fire with devastating consequences.—
Richard Sutcliffe,
New York Times,
9 Jan. 2026
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Insufferable antiquated federal standards reflect low expectations that do not meet the modern day needs of working New Yorkers.—
Gian Carlo Pedulla,
New York Daily News,
9 Jan. 2026
Adjective
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Previous discoveries of cremations in Africa date to pastoral neolithic herders from 3,500 years ago or later food-producing societies with higher population densities, which made the discovery even more unexpected, the researchers said.—
Ashley Strickland,
CNN Money,
6 Jan. 2026
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Because some of the paintings depict a person drumming with their hands, researchers suggest the neolithic people practiced rituals in these areas.—
Joshua Rapp Learn,
Discover Magazine,
15 Jan. 2025
Cite this Entry
“Prehistoric.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/prehistoric. Accessed 28 Jan. 2026.
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