prehistoric

adjective

pre·​his·​tor·​ic ˌprē-(h)i-ˈstȯr-ik 

-ˈstär-

variants or less commonly prehistorical

ˌprē-(h)i-ˈstȯr-i-kəl 

-ˈstär-

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: regarded as being outdated or outmoded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

ˌprē-(h)i-ˈstȯr-i-k(ə-)lē 

-ˈstär-

adverb

Synonyms of prehistoric

• archaic
• obsolete
• medieval
• antiquated
• neolithic

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

The site was dated to a late prehistoric era in Thailand, a period of human settlement also known as the Iron Age, established to be around 1,500 to 2,500 years ago. — Los Angeles Times, 11 July 2026

Marine diets have been documented in modern wolves living in coastal Alaska and British Columbia, but researchers say there is no previous evidence of wolves in prehistoric Scandinavia relying so heavily on seafood. — Ashley Vega, PEOPLE, 9 July 2026

Millions of years ago, the peaceful water, lack of scavengers, and fine sediment created perfect conditions for preserving these plentiful prehistoric fossils—fish, alligators, stingrays, turtles, and even small horses have been found here. — Condé Nast Traveler, 7 July 2026

The site dates to Thailand’s late prehistoric period, also known as the Iron Age, which lasted roughly 2,500 to 1,500 years ago. — Anthony Thompson, USA Today, 7 July 2026

Word History

First Known Use

1832, in the meaning defined at sense 1

Rhymes for prehistoric

• anaphoric
• metaphoric
• meteoric
• paregoric
• pyrophoric
• boric
• chloric
• doric
• toric
• caloric
• dysphoric
• euphoric

Kids Definition

prehistoric

adjective

pre·​his·​tor·​ic ˌprē-(h)is-ˈtȯr-ik 

-ˈtär-

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

prehistoric animals

prehistorically

-i-k(ə-)lē 

adverb