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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.

Freedom 250 is a limited liability company that operates inside a long-established foundation, the National Park Foundation, meaning it won’t have to disclose anything about its spending until 2027.

From The Wall Street Journal • Apr. 21, 2026

"Additional flexibility should it be needed would enable airlines to operate most efficiently to minimise any disruption to customers and maintain long-established global networks."

From BBC • Apr. 21, 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

Parkhill responded to the “sense of innocence and wonder” Tiffin brought to the long-established character, who is 19 during the events of this season.

From Los Angeles Times • Mar. 4, 2026

Al Ulbrickson had a long-established policy that a single training infraction would drop a man two shells; a second infraction would lead to his expulsion from the squad.

From "The Boys in the Boat: Nine Americans and Their Epic Quest for Gold at the 1936 Berlin Olympics" by Daniel James Brown

long-established

Example Sentences

Related Words