| 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: | inveterate |
| Part of Speech: | adjective |
| Definition: | long-standing, established |
Synonyms: |
abiding, accustomed, addicted, chronic, confirmed, continuing, customary, deep-rooted, deep-seated, dyed-in-the-wool, enduring, entrenched, fixed, habitual, habituated, hard-core, hardened, inbred, incorrigible, incurable, indurated, ineradicable, ingrained, innate, lifelong, long-lasting, long-lived, obstinate, old, perennial, permanent, persistent, persisting, set, settled, stubborn, sworn, usual |
Antonyms: |
short-lived |
| 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: | 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 |
| Main Entry: | old |
| Part of Speech: | adjective |
| Definition: | traditional, long-established |
Synonyms: |
age-old, constant, continuing, enduring, established, experienced, familiar, firm, hardened, inveterate, lifelong, long-lasting, long-lived, of long standing, perennial, perpetual, practiced, skilled, solid, staying, steady, time-honored, versed, veteran, vintage |
Antonyms: |
contemporary, current, modern, new |
| Main Entry: | perennial |
| Part of Speech: | adjective |
| Definition: | enduring, perpetual |
Synonyms: |
abiding, annual, ceaseless, chronic, constant, continual, continuing, deathless, durable, eternal, everlasting, immortal, imperishable, incessant, inveterate, lasting, lifelong, long-lasting, long-lived, longstanding, never-ending, old, perdurable, permanent, persistent, recurrent, seasonal, sustained, unceasing, unchanging, undying, unfailing, uninterrupted, yearlong, yearly |
Antonyms: |
changing, intermittent, interrupted |
| 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 |