| Main Entry: | |
| Part of Speech: | adjective |
| Definition: | determined; continuous |
| Synonyms: | assiduous, bound, bound and determined, bulldogged, constant, continual, dogged, endless, enduring, firm, fixed, immovable, in for long haul, incessant, indefatigable, insistent, interminable, like bad penny, never-ending, obdurate, obstinate, perpetual, perseverant, persevering, persisting, pertinacious, relentless, repeated, resolute, steadfast, steady, sticky*, stubborn, tenacious, tireless, unflagging, unrelenting, unremitting, unshakable |
| Antonyms: | lazy, relenting, surrendering, yielding |
| 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: | consistent |
| Part of Speech: | adjective |
| Definition: | constant, regular |
| Synonyms: | dependable, even, expected, homogeneous, invariable, logical, of a piece, persistent, rational, same, steady, true, true to type, unchanging, undeviating, unfailing, uniform, unvarying |
| Antonyms: | disagreeing, erratic, incongruous, inconsistent, inconstant, irregular, varying |
| Main Entry: | constant |
| Part of Speech: | adjective |
| Definition: | neverending |
| Synonyms: | abiding, ceaseless, chronic, continual, continuous, endless, enduring, eternal, everlasting, incessant, interminable, lasting, nonstop, perpetual, persistent, persisting, relentless, sustained, unending, uninterrupted, unrelenting, unremitting |
| Antonyms: | concluding, ending, interrupted, stopping, terminable, terminating |
| Main Entry: | continual |
| Part of Speech: | adjective |
| Definition: | constant, incessant |
| Synonyms: | aeonian, around-the-clock, ceaseless, connected, consecutive, continuous, dateless, endless, enduring, eternal, everlasting, frequent, interminable, oft-repeated, permanent, perpetual, persistent, persisting, recurrent, regular, relentless, repeated, repetitive, running, staying, steady, timeless, unbroken, unceasing, unchanging, unending, unfailing, unflagging, uninterrupted, unremitting, unvarying, unwaning |
| Antonyms: | broken, ceasing, checked, halting, inconstant, infrequent, intermittent, interrupted, occasional, temporary |
| Main Entry: | diligent |
| Part of Speech: | adjective |
| Definition: | persevering, hard-working |
| Synonyms: | active, assiduous, attentive, busy, careful, conscientious, constant, eager, eager beaver, earnest, grind*, indefatigable, industrious, laborious, occupied, operose, painstaking, persistent, persisting, pertinacious, plugging, sedulous, steadfast, studious, tireless, unflagging, unrelenting, untiring |
| Antonyms: | inactive, indifferent, languid, lazy, lethargic, negligent |
| Main Entry: | durable |
| Part of Speech: | adjective |
| Definition: | sturdy, long-lasting |
| Synonyms: | abiding, constant, dependable, diuturnal, enduring, fast, firm, fixed, impervious, lasting, long-continued, perdurable, perduring, permanent, persistent, reliable, resistant, sound, stable, stout, strong, substantial, tenacious, tough |
| Antonyms: | fragile, impermanent, poorly made, temporary, undependable, unsturdy, weak |
| Main Entry: | eternal |
| Part of Speech: | adjective |
| Definition: | without pause; endless |
| Synonyms: | abiding, ageless, always, amaranthine, boundless, ceaseless, constant, continual, continued, continuous, dateless, deathless, enduring, everlasting, forever, illimitable, immemorial, immortal, immutable, imperishable, incessant, indefinite, indestructible, infinite, interminable, lasting, never-ending, perdurable, perennial, permanent, perpetual, persistent, relentless, termless, timeless, unbroken, unceasing, undying, unending, unfading, uninterrupted, unremitting, without end |
| Antonyms: | brief, changeable, changing, ending, ephemeral, stopping, temporary, terminable, transient |
| Main Entry: | firm |
| Part of Speech: | adjective |
| Definition: | unalterable, definite |
| Synonyms: | abiding, adamant, bent, bound, consistent, constant, dead set on, determined, enduring, established, exact, explicit, fixed, flat, going, hang tough, inflexible, intent, never-failing, obdurate, persevering, persistent, prevailing, resolute, resolved, set, settled, specific, stable, stand pat, stated, staunch, steadfast, steady, stipulated, strict, strong, sure, tenacious, true, unbending, unchangeable, undeviating, unflinching, unqualified, unshakable, unshaken, unwavering, unyielding |
| Antonyms: | alterable, changeable, indefinite, irresolute |