Definitions

well-established

[wel-i-stab-lisht] / ˈwɛl ɪˈstæb lɪʃt /

ADJECTIVE

age-old

Synonyms

STRONGEST

ancient antiquated archaic hoary old-fashioned timeworn

WEAK

aged antediluvian antique old old-time olden venerable vintage

Antonyms

STRONGEST

current modern new young

ADJECTIVE

dyed-in-the-wool

Synonyms

WEAK

absolute complete confirmed congenital deep-down deep-dyed deep-rooted deep-seated deeply ingrained die-hard entrenched fixed full-fledged genuine hardened infixed ingrained instilled long-standing out and out thorough thoroughgoing through-and-through to the core true unchangeable uncompromising utter

ADJECTIVE

established

Synonyms

STRONGEST

entrenched settled traditional

STRONG

fixed ingrained rooted secure set stable vested

WEAK

deep-rooted permanent unshakable

Antonyms

STRONG

indefinite undecided unfixed unstable

WEAK

false insolvent invalidated temporary unsound untrue

ADJECTIVE

genuine

Synonyms

STRONGEST

earnest heartfelt natural positive real sincere true

WEAK

actual artless candid for real frank known open reliable righteous trustworthy undesigning unfeigned unimpeachable unpretended unquestionable up front valid

Antonyms

STRONGEST

dishonest false insincere invalid unreal untrustworthy

WEAK

affected counterfeit deceiving deceptive illegitimate misleading sham

ADJECTIVE

orthodox

Synonyms

WEAK

according to the book acknowledged admitted approved authoritative buttoned-down by the numbers canonical conformist conservative conventional correct customary devout die-hard doctrinal established in line legitimate official old-line pious proper punctilious reactionary received recognized religious right rightful sanctioned sound square standard straight straight arrow traditionalistic true

Antonyms

WEAK

heterodox unconventional unorthodox untraditional

ADJECTIVE

strong

Synonyms

STRONGEST

clear compelling distinct firm unmistakable

STRONG

marked

WEAK

clear-cut convincing formidable great overpowering persuasive redoubtable sharp sound telling trenchant

Antonyms

STRONGEST

dull easy indistinct loose uncertain vague weak

STRONG

indefinite mild

WEAK

low moderate obscure pale unfixed unhealthy

ADJECTIVE

unmannered

Synonyms

WEAK

actual artless candid earnest frank heartfelt hearty honest known natural open positive real reliable righteous sincere true trustworthy unaffected undesigning unfeigned unimpeachable unpretended unquestionable up front valid

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.

Texas Gov. Greg Abbott described it as a well-established solution that the federal government has used before.

From Barron's • Jun. 8, 2026

Doing so is still possible without necessarily entering ports, as the Gulf region - especially around Dubai, Abu Dhabi and Kuwait - has well-established supply services.

From BBC • Jun. 2, 2026

"These studies involved well-established experimental models that mimic insulin resistance in non-obese individuals. Trials in humans are needed to estimate the ideal dose and the most indicated type of omega-3 fatty acid," Curi said.

From Science Daily • May 31, 2026

But here, the court noted, preserving the former map would not “worsen” chaos or confusion; rather, it would “lessen it” by restoring “the well-established status quo.”

From Slate • May 26, 2026

By the time Shin crawled through the electric fence, there was a well-established human smuggling network with tentacles that reached deep inside North Korea.

From "Escape from Camp 14: One Man's Remarkable Odyssey from North Korea to Freedom in the West" by Blaine Harden

well-established

Example Sentences

Related Words