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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.

In explaining its decisions, the FDA pointed to well-established research in peptide drug development that injectable peptides carry the risk of causing immune reactions.

From Salon • Apr. 4, 2026

A Preston Council spokesperson said egg rolling in Preston dated back "more than 150 years and is a well-established tradition, regularly attracting 30,000 visitors each year".

From BBC • Mar. 31, 2026

They added, "Given that niacin is a well-established and safe medication used to treat hyperlipidemia, it holds promise as a candidate for combination therapies targeting miRNA pathways in MASLD."

From Science Daily • Mar. 24, 2026

“The claims in this lawsuit are meritless and reflect a fundamental misunderstanding of basic, well-established scientific principles regarding how calories are determined under U.S. nutrition-labeling standards for ingredients like EPG,” Rahal said in a statement.

From The Wall Street Journal • Mar. 24, 2026

This includes older blended traditions such as rumba and samba, newer but well-established blended genres such as reggae and Afrobeat, and groups with unique experimental sounds borrowing from more than one tradition.

From "Understanding Basic Music Theory" by Catherine Schmidt-Jones and Russel Jones

well-established

Example Sentences

Related Words