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
Synonyms & Similar Words
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Antonyms & Near Antonyms
Example Sentences
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Recent Examples of prehistoric
Guided by the rare living sharks that once shared their seas, real-world expeditions seamlessly merge with cutting-edge visual effects to uncover stories from the deep and prehistoric seas in ways never before possible.
—
Denise Petski,
Deadline,
18 June 2026
In prehistoric times, that blue sensitivity would have meant that melatonin production fired up a couple of hours after sunset and shut down just before sunrise.
—
Literary Hub,
17 June 2026
The team found that the prehistoric plague developed in stages and infected several small families.
—
ABC News,
17 June 2026
Early meetings occurred at the Senckenberg Natural History Museum, beneath a diplodocus skeleton and other prehistoric relics.
—
Alex Ross,
New Yorker,
15 June 2026
See All Example Sentences for prehistoric
Denise Petski,
Deadline,
18 June 2026
In prehistoric times, that blue sensitivity would have meant that melatonin production fired up a couple of hours after sunset and shut down just before sunrise.
—
Literary Hub,
17 June 2026
The team found that the prehistoric plague developed in stages and infected several small families.
—
ABC News,
17 June 2026
Early meetings occurred at the Senckenberg Natural History Museum, beneath a diplodocus skeleton and other prehistoric relics.
—
Alex Ross,
New Yorker,
15 June 2026
See All Example Sentences for prehistoric
Recent Examples of Synonyms for prehistoric
Adjective
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The sixth block in the Parthenon’s tympanum—or recessed space—was restored by combining a pair of archaic fragments with new pieces of marble, while the seventh block has been completed using only fresh marble.
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His department of justice brought back the firing squad on federal row in April of 2026; several states now also use what was once considered an archaic method.
Adjective
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Recent highs have easily blown past 47 degrees Celsius, rendering existing guidelines obsolete even as emissions from human activity continue to drive global temperatures higher.
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Newsom said the state tracker is the first of its kind in the nation as California companies like OpenAI and Anthropic have exploded in growth and simultaneously warned that their products could render most white-collar jobs obsolete.
Adjective
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In one corner of the café, there’s a parking spot exclusively for broomsticks; upstairs in the games room, a smoke-breathing dragon perches over a medieval-style fireplace.
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Among the finds are a 4th-century coin bearing the face of Emperor Constantine, as well as medieval pottery fragments bearing markings archaeologists have not yet deciphered.
Adjective
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The modern Active Electronically Scanned Array (AESA) radar system replaced the aircraft’s antiquated radar.
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Farms open up between the forestry, and the antiquated Martindale Chief Diner hangs on a curb.
Adjective
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From the Neolithic rock art of what is now Libya to ancient Egypt, China and India, to medieval and Renaissance Europe, creatures at borderlands of what was taken to be civilization were represented as cynocephalic, that is, humans with dog heads.
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Multiple generations of Neolithic designers relied on communal teamwork and clever construction techniques to precisely place each of the site’s gigantic megaliths about 5,000 years ago.
Cite this Entry
“Prehistoric.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/prehistoric. Accessed 27 Jun. 2026.
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