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: regarded as being outdated or outmoded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 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

Crabs and mussels, prehistoric bugs, bits of seaweed, tiny minnows, they all get deposited, then stranded, in the cracks and crevices on top of these massive rocks. — Literary Hub, 2 Nov. 2026

Claims of prehistoric chemistry persisting in fossils aren’t new. — New Atlas, 2 Nov. 2026

Some went as far as likening the outage to life in prehistoric times or descending into madness. — Angela Yang, NBC news, 2 Nov. 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