Synonyms of prehistoric

prehistoric

adjective

ˌprē-(h)i-ˈstȯr-ik 

variants also prehistorical

as in medieval

having passed its time of use or usefulness

prehistoric notions about mental illness that have no place in today's world

Synonyms & Similar Words

• medieval
• archaic
• obsolete
• neolithic
• ancient
• fossilized
• mediaeval
• old
• discarded
• antiquated
• historical
• historic
• mossy
• outmoded
• outdated
• extinct
• Stone Age
• rusty
• out-of-date
• dated
• moribund
• past
• outworn
• superannuated
• Noachian
• venerable
• former
• demoded
• passé
• vanished
• defunct
• useless
• moth-eaten
• antediluvian
• kaputt
• obsolescent
• démodé
• aging
• antique
• dormant
• late
• erstwhile
• disused
• unworkable
• unusable
• latent
• kaput
• expired
• retro
• idle
• vintage
• ageing
• old-time
• inactive
• inert
• bygone
• inoperable
• old-fashioned
• hoary
• fallow
• fusty
• atavistic
• old-world
• musty
• inoperative
• free
• aged
• dead
• age-old
• dateless
• oldfangled

Antonyms & Near Antonyms

• modern
• contemporary
• new
• current
• recent
• present-day
• up-to-date
• fresh
• ultramodern
• mod
• newfangled
• new-fashioned
• modernized
• up-to-the-minute
• operational
• functional
• workable
• active
• operating
• functioning
• operative
• operable
• busy
• renewed
• alive
• employed
• remodeled
• refurbished

Examples of prehistoric in a Sentence

Recent Examples on the Web

Its appearance is somewhat prehistoric, with a broad, flattened head and large, paddle-like pectoral and pelvic fins that give it a somewhat awkward but distinctive swimming style. —Scott Travers, Forbes, 15 Sep. 2024

These often aerial animals, believed to be the modern-day cousins of prehistoric dinosaurs, continue to stand the test of time. —Tracy Scott Forson, Smithsonian Magazine, 13 Sep. 2024

Behl is testing the chemical and mineral composition of the fossil blocks, hoping scientists can learn more about these prehistoric environments including the atmosphere and the conditions that enabled animal remains to fossilize. —Jireh Deng, Los Angeles Times, 13 Sep. 2024

Since their search began, more than 70,000 artifacts have been unearthed, including skeletal remains in prehistoric burials that are believed to date back 16,000 years. —Ashlyn Messier, Fox News, 12 Sep. 2024