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long-established

ADJECTIVE

confirmed

Synonyms

STRONGEST

accustomed chronic deep-rooted deep-seated dyed-in-the-wool entrenched fixed habituated ingrained inured inveterate

WEAK

hard-shell hardened seasoned staid worn

Antonyms

WEAK

indefinite infrequent sporadic uncommitted unconfirmed undecided

ADJECTIVE

hard-shell

Synonyms

WEAK

accepted accustomed chronic deep-rooted deep-seated dyed-in-the-wool entrenched firmly established fixed habituated hardened ineradicable ingrained inured inveterate irradicable proved seasoned set settled staid

ADJECTIVE

ineradicable

Synonyms

WEAK

accepted accustomed chronic deep-rooted deep-seated dyed-in-the-wool entrenched firmly established fixed habituated hard-shell hardened ingrained inured inveterate irradicable proved seasoned set settled staid valid worn

ADJECTIVE

irradicable

Synonyms

WEAK

accepted accustomed chronic deep-rooted deep-seated dyed-in-the-wool entrenched firmly established fixed habituated hard-shell hardened ineradicable ingrained inured inveterate proved seasoned set settled staid valid worn

ADJECTIVE

long-standing

Synonyms

WEAK

abiding durable enduring established fixed lasting long-lasting long-lived traditional

ADJECTIVE

old-school

Synonyms

WEAK

acceptable accustomed backward-looking classic classical conforming conservative conventional customary habitual old guard old-fashioned old-line popular regular rooted time-honored traditional unprogressive

ADJECTIVE

time-honored

Synonyms

STRONGEST

classical conventional customary usual

WEAK

accustomed ancestral classic fixed folk historic old popular regular rooted standard taken for granted universal vintage widespread

Antonyms

STRONGEST

abnormal different irregular uncommon unusual

ADJECTIVE

traditional

Synonyms

STRONGEST

classic classical common conventional historic old popular regular time-honored universal

WEAK

acceptable accustomed acknowledged ancestral customary doctrinal fixed folk habitual immemorial oral prescribed rooted sanctioned taken for granted transmitted unwritten widely used widespread

Antonyms

STRONGEST

abnormal different extraordinary infrequent irregular modern new rare uncommon unusual

WEAK

fresh unestablished unfixed untraditional

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.

The new document underlines the long-established principle that the right of family life does not bar deportation and that national courts, rather than Strasbourg, are best placed to work out that balance.

From BBC • May 15, 2026

American efforts to secure free passage through the Strait of Hormuz also continue a long-established support for freedom of the seas.

From The Wall Street Journal • Apr. 26, 2026

LIV's credibility as a major force capable of challenging the long-established tours was underpinned by signing several huge names on multi-million deals.

From BBC • Apr. 16, 2026

By introducing “shared clinical decision-making” in this scenario, the CDC hints that this isn’t already a long-established practice between medical professionals, patients and their parents, in place for decades.

From MarketWatch • Mar. 5, 2026

The veterans, who of course knew nothing about the history of Tommy and Ruth’s relationship, treated them as a long-established couple, and this seemed to please Ruth no end.

From "Never Let Me Go" by Kazuo Ishiguro

long-established

Example Sentences

Related Words