primordial
Americanadjective
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constituting a beginning; giving origin to something derived or developed; original; elementary.
primordial forms of life.
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Embryology. first formed.
-
pertaining to or existing at or from the very beginning.
primordial matter.
adjective
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existing at or from the beginning; earliest; primeval
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constituting an origin; fundamental
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biology of or relating to an early stage of development
primordial germ cells
noun
Other Word Forms
Etymology
Origin of primordial
1350–1400; Middle English < Late Latin prīmōrdiālis of the beginning. See primordium, -al 1
Explanation
Primordial, an adjective, describes something that has been around forever, like cockroaches. Primordial comes from the Latin words primus, meaning "first" and ordiri, "to begin." So it is easy to see that this adjective means "first of all, original." When something is primordial, it has existed since the earliest time, like the primordial mud some scientists believe was the source of all life on Earth. Remember that is it a scientific term — don't call your teacher primordial just because she's been teaching at your school since it opened.
Vocabulary lists containing primordial
The Call of the Wild
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This Week In Words: January 4–10, 2020
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Space Science (Astronomy) - Introductory
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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 may have been generated during key moments in cosmic history, including phase transitions as the universe cooled or from primordial magnetic fields.
From Science Daily • Apr. 25, 2026
If anything, after a few days spent dipping my T. rex hands into the cool primordial sludge of the dinosaur fandom, Panella’s sentiment feels like an understatement.
From Salon • Apr. 12, 2026
Their idea involves the explosive death of a rare type of black hole known as a "quasi-extremal primordial black hole."
From Science Daily • Apr. 8, 2026
As he admired the innards of a primordial iPhone, Cook found himself surrounded by artifacts that trace the history of Apple from a startup in a garage to the most iconic company in America.
From The Wall Street Journal • Apr. 3, 2026
The gloom of the forest didn’t relent, though, for there were six primordial cedars that shaded an entire acre with their vast sweep of branches.
From "Twilight" by Stephenie Meyer
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.
