prehistoric
Americanadjective
-
of or relating to the time or a period prior to recorded history.
The dinosaur is a prehistoric beast.
-
Slang. outdated; passé.
My mom has these prehistoric ideas about proper dress.
adjective
Other Word Forms
- prehistorically adverb
Etymology
Origin of prehistoric
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
They featured detailed drawings of various ancient fossils and prehistoric creatures, whose origins were beginning to be studied and understood by scientists at the time.
From BBC
The spooky inhabitants of the mansion, Button House, come from a variety of historial periods, ranging from prehistoric man right through to the modern day.
From BBC
The results showed that both prehistoric and medieval Irish goats are most closely related to today's Old Irish Goat.
From Science Daily
About 250 million years ago, a region that is now a harsh desert in remote northwestern Australia lay along the edge of a shallow bay connected to a vast prehistoric ocean.
From Science Daily
A remarkably complete skeleton uncovered along the UK's Jurassic Coast has been identified as a previously unknown species of ichthyosaur -- a group of prehistoric marine reptiles that once dominated the world's oceans.
From Science Daily
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
