| Main Entry: | long-standing |
| Part of Speech: | adjective |
| Definition: | existing for some time |
Synonyms: |
abiding, durable, enduring, established, fixed, lasting, long-established, long-lasting, long-lived, traditional |
| Notes: | long-standing has a hyphen; longtime does not |
| Main Entry: | chronic |
| Part of Speech: | adjective |
| Definition: | incessant, never-ending |
Synonyms: |
abiding, ceaseless, confirmed, constant, continual, continuing, continuous, deep-rooted, deep-seated, enduring, ever-present, fixed, habitual, inborn, inbred, incurable, ineradicable, ingrained, inveterate, lasting, lifelong, lingering, long-lived, long-standing, obstinate, perennial, persistent, persisting, prolonged, protracted, recurrent, recurring, rooted, routine, settled, stubborn, sustained, tenacious, unabating, unmitigated, unyielding, usual |
| Notes: | acute is used for a sudden onset and short duration; chronic is for conditions that are slow to develop and of long duration chronic is contrasted with acute as chronic pain persists over a longer period of time than acute pain and is resistant to most medical treatments |
Antonyms: |
curable, eradicable, intermittent, occasional, temporary |
| Main Entry: | dyed-in-the-wool |
| Part of Speech: | adjective |
| Definition: | deep-rooted |
Synonyms: |
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, to the core, true, unchangeable, uncompromising, utter, well-established |
| Main Entry: | immemorial |
| Part of Speech: | adjective |
| Definition: | ancient, old |
Synonyms: |
age-old, archaic, fixed, forever, long-standing, of yore, olden, prehistoric, primeval, rooted, time-honored, traditional |
Antonyms: |
current, lately, memorable, new, recent, young |
| Main Entry: | lifelong |
| Part of Speech: | adjective |
| Definition: | lasting |
Synonyms: |
constant, continuing, deep-rooted, enduring, for life, inveterate, lifetime, livelong, long-lasting, long-lived, long-standing, old, perennial, permanent, persistent |
Antonyms: |
short-lived, temporary, tenuous |
| Main Entry: | time-honored |
| Part of Speech: | adjective |
| Definition: | customary |
Synonyms: |
accepted, conventional, handed down, long-standing, respected, traditional |
| Main Entry: | lingering |
| Part of Speech: | adjective |
| Definition: | chronic |
Synonyms: |
abiding, ceaseless, confirmed, constant, continual, continuing, continuous, deep-rooted, deep-seated, enduring, ever-present, fixed, habitual, inborn, inbred, incurable, ineradicable, ingrained, inveterate, lasting, lifelong, long-lived, long-standing, obstinate, perennial, persistent, persisting, prolonged, protracted, recurrent, recurring, rooted, routine, settled, stubborn, sustained, tenacious, unabating, unmitigated, unyielding, usual |
| Main Entry: | long-lived |
| Part of Speech: | adjective |
| Definition: | continuing |
Synonyms: |
abiding, advancing, carrying on, chronic, durable, enduring, lasting, long-lasting, long-standing, maintaining, old, perdurable, perennial, permanent, persevering, persistent, persisting, progressing, pursuing, sustaining |
| Main Entry: | perdurable |
| Part of Speech: | adjective |
| Definition: | continuing |
Synonyms: |
abiding, advancing, carrying on, chronic, durable, enduring, lasting, long-lasting, long-lived, long-standing, maintaining, old, perennial, permanent, persevering, persistent, persisting, progressing, pursuing, sustaining |
| Main Entry: | protracted |
| Part of Speech: | adjective |
| Definition: | chronic |
Synonyms: |
abiding, ceaseless, confirmed, constant, continual, continuing, continuous, deep-rooted, deep-seated, enduring, ever-present, fixed, habitual, inborn, inbred, incurable, ineradicable, ingrained, inveterate, lasting, lifelong, lingering, long-lived, long-standing, obstinate, perennial, persistent, persisting, prolonged, recurrent, recurring, rooted, routine, settled, stubborn, sustained, tenacious, unabating, unmitigated, unyielding, usual |