| Main Entry: | |
| Part of Speech: | adjective |
| Definition: | continuous, neverending |
| Synonyms: | incessant, nonstop, persistent, pertinacious, punishing, sustained, tenacious, unabated, unbroken, unfaltering, unflagging, unrelenting, unrelieved, unremitting, unstoppable |
| Antonyms: | ending, intermittent, stopping |
| Main Entry: | sequential |
| Part of Speech: | adjective |
| Definition: | occurring in an order |
| Synonyms: | consecutive, constant, continuous, following, incessant, later, next, persistent, regular, sequent, serial, steady, subsequent, subsequential, succedent, succeeding, successive |
| Antonyms: | nonsequential |
| Main Entry: | steady |
| Part of Speech: | adjective |
| Definition: | continuing |
| Synonyms: | ceaseless, confirmed, consistent, constant, continuous, equable, eternal, even, faithful, habitual, incessant, never-ending, nonstop, persistent, regular, rhythmic, stabile, stable, steady-going, unbroken, unfaltering, unfluctuating, uniform, uninterrupted, unremitting, unvarying, unwavering |
| Antonyms: | broken, discontinuous, intermittent |
| Main Entry: | strenuous |
| Part of Speech: | adjective |
| Definition: | energetic, zealous |
| Synonyms: | active, aggressive, ardent, bold, determined, dynamic, eager, earnest, lusty, persistent, red-blooded, resolute, spirited, strong, tireless, vigorous, vital |
| Antonyms: | apathetic, enervated, lethargic, unenthusiastic |
| Main Entry: | stubborn |
| Part of Speech: | adjective |
| Definition: | obstinate, unyielding |
| Synonyms: | adamant, balky, bullheaded, cantankerous, contumacious, cussed, determined, dogged, firm, fixed, hardheaded, headstrong, inexorable, inflexible, insubordinate, intractable, mulish, obdurate, opinionated, ornery*, persevering, persistent, pertinacious, perverse, pigheaded, rebellious, recalcitrant, refractory, relentless, rigid, self-willed, set in one's ways, single-minded, steadfast, stiff-necked, tenacious, tough, unbending, unmanageable, unreasonable, unshakable, untoward, willful |
| Antonyms: | broad-minded, complacent, compliant, giving, willing, yielding |
| Main Entry: | tenacious |
| Part of Speech: | adjective |
| Definition: | strong, unyielding |
| Synonyms: | adamant, bound, clinging, coherent, cohesive, determined, dogged, fast, firm, forceful, inflexible, intransigent, iron, meaning business, mulish, obdurate, obstinate, persevering, persistent, persisting, pertinacious, possessive, purposeful, relentless, resolute, retentive, set, solid, spunky, stalwart, staunch, steadfast, stout, strong-willed, stubborn, sturdy, sure, tight, tough, true, unforgetful, unshakable, unswerving |
| Antonyms: | surrendering, weak, yielding |
| Main Entry: | timeless |
| Part of Speech: | adjective |
| Definition: | eternal |
| Synonyms: | abiding, ageless, always, amaranthine, constant, continual, continued, dateless, deathless, endless, enduring, everlasting, forever, illimitable, immemorial, immortal, indefinite, infinite, lasting, never-ending, perennial, permanent, perpetual, persistent, undying, unending, without end |
| Main Entry: | unceasing |
| Part of Speech: | adjective |
| Definition: | incessant |
| Synonyms: | ceaseless, constant, continual, continuous, day-and-night, endless, eternal, everlasting, lasting, never-ending, nonstop, permanent, perpetual, persistent, relentless, round-the-clock, steady, unending, uninterrupted, unyielding |
| Main Entry: | undying |
| Part of Speech: | adjective |
| Definition: | never-ending |
| Synonyms: | constant, continuing, deathless, eternal, everlasting, immortal, imperishable, indestructible, inextinguishable, infinite, interminable, perennial, permanent, perpetual, persistent, unceasing, undiminished, unended, unending, unfading |
| Antonyms: | ending, impermanent, mortal |