well-established
Americanadjective
adjective
-
having permanence or security in a certain place, condition, job, etc
a well-established brand
-
well-known or validated
a well-established fact
Etymology
Origin of well-established
First recorded in 1700–10
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.
European officials say their countries continue to adhere to well-established agreements over how U.S. bases on their soil can be used, despite Trump’s criticisms.
From The Wall Street Journal • May 8, 2026
Noncitizens are already prohibited from voting in federal elections, but there’s a well-established history of their participation in local ones, including in Vermont and Maryland.
From Los Angeles Times • May 6, 2026
They then tested oral arginine in two well-established Alzheimer's models:
From Science Daily • May 4, 2026
The multiple conversations with reporters undermine well-established norms that the president's "time is precious" and that he "must always use secure communications," said Robert Rowland, a professor of communication studies at the University of Kansas.
From Barron's • Apr. 21, 2026
When early civilizations started pressing reeds to clay tablets, carving figures in stone, and daubing ink on parchment and on papyrus, number systems had already been well-established.
From "Zero: The Biography of a Dangerous Idea" by Charles Seife
![]()
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.