| Main Entry: | |
| Part of Speech: | adjective |
| Definition: | immortal |
| Synonyms: | eternal, everlasting, imperishable, undying |
| Main Entry: | endless |
| Part of Speech: | adjective |
| Definition: | not stopping, not finishing |
| Synonyms: | amaranthine, boundless, ceaseless, constant, continual, continuous, countless, deathless, enduring, eternal, everlasting, illimitable, immeasurable, immortal, incalculable, incessant, indeterminate, infinite, interminable, limitless, measureless, monotonous, multitudinous, never-ending, no end of, no end to, numberless, overlong, perpetual, self-perpetuating, unbounded, unbroken, undivided, undying, unending, unfathomable, uninterrupted, unlimited, unsurpassable, untold, without end |
| Antonyms: | bounded, completing, ending, finishing, limited, passing, stopping, terminable |
| 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: | immortal |
| Part of Speech: | adjective |
| Definition: | death-defying, imperishable |
| Synonyms: | abiding, amaranthine, ceaseless, constant, deathless, endless, enduring, eternal, evergreen, everlasting, incorruptible, indestructible, indissoluble, interminable, lasting, never-ceasing, never-ending, perdurable, perennial, permanent, perpetual, phoenixlike, sempiternal, timeless, undying, unfading |
| Notes: | immortal means not subject to death, while immoral means violating principles of right and wrong or not adhering to ethical or moral principles |
| Antonyms: | destructible, ephemeral, human, mortal, perishable |
| Main Entry: | indestructible |
| Part of Speech: | adjective |
| Definition: | lasting, unable to be destroyed |
| Synonyms: | abiding, deathless, durable, enduring, everlasting, immortal, immutable, imperishable, incorruptible, indelible, indissoluble, inexterminable, inextinguishable, inextirpable, irrefragable, irrefrangible, nonperishable, permanent, perpetual, unalterable, unbreakable, unchangeable, undestroyable, undying, unfading |
| Antonyms: | breakable, destructible, perishable |
| 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: | 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: | 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 |