| Main Entry: | |
| 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: | 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 |
| Notes: | continually means 'repeatedly, with breaks in between' and continuously means 'without interruption, in an unbroken stream'; continual typically refers to time while continuous can refer to space as well as time |
| Antonyms: | broken, ceasing, checked, halting, inconstant, infrequent, intermittent, interrupted, occasional, temporary |
| Main Entry: | continuous |
| Part of Speech: | adjective |
| Definition: | constant, unending |
| Synonyms: | connected, consecutive, continued, day and night, endless, everlasting, extended, for ever and ever, interminable, looped, no end of, no end to, on a treadmill, perpetual, prolonged, regular, repeated, stable, steady, timeless, unbroken, unceasing, undivided, unfaltering, uninterrupted |
| Antonyms: | ceasing, completed, discontinuous, ending, finished, halting, intermittent, interrupted, sporadic, stopping |
| 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: | everlasting |
| Part of Speech: | adjective |
| Definition: | infinite, never-ending |
| Synonyms: | abiding, amaranthine, boundless, ceaseless, constant, continual, continuous, deathless, endless, eternal, immortal, imperishable, incessant, indestructible, interminable, lasting, limitless, perdurable, permanent, perpetual, termless, timeless, unceasing, undying, unending, uninterrupted, unremitting |
| Antonyms: | ceasing, concluding, ending, temporary, terminating, transient |
| Main Entry: | incessant |
| Part of Speech: | adjective |
| Definition: | never-ending, persistent |
| Synonyms: | ceaseless, constant, continual, continuous, day-and-night, endless, eternal, everlasting, interminable, interminate, monotonous, nonstop, perpetual, relentless, round-the-clock, timeless, unbroken, unceasing, unending, unrelenting, unremitting |
| Antonyms: | broken, ceasing, ending, intermittent, interrupted |
| Main Entry: | interminable |
| Part of Speech: | adjective |
| Definition: | infinite |
| Synonyms: | boring, boundless, ceaseless, constant, continuous, day-and-night, dragged out, dull, endless, eternal, everlasting, immeasurable, incessant, interminate, limitless, long, long-drawn-out, long-winded, looped, never-ending, no end of, no end to, on a treadmill, permanent, perpetual, protracted, spun out, strung out, timeless, unbound, unceasing, uninterrupted, unlimited, wearisome |
| Antonyms: | bounded, ending, finite, terminable |
| Main Entry: | lasting |
| Part of Speech: | adjective |
| Definition: | enduring, unending |
| Synonyms: | abiding, constant, continual, continuing, deep-rooted, durable, endless, eternal, everlasting, forever, in for the long haul, incessant, indelible, indissoluble, inexhaustible, inexpungible, lifelong, long-term, longstanding, old, perdurable, perennial, permanent, perpetual, persisting, stable, till the cows come home, unceasing, undying, unremitting |
| Antonyms: | ceasing, ending, ephemeral, fleeting, passing, short-lived, temporary, transient |
| 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 |