a.
Endless, unending, everlasting, eternal, ever-during, ceaseless, unceasing, continual, incessant, unintermitted, uninterrupted, constant, interminable, perennial, never-ceasing, never-failing, unfailing, enduring, permanent, sempiternal.
a.
Endless, unending, everlasting, eternal, ever-during, ceaseless, unceasing, continual, incessant, unintermitted, uninterrupted, constant, interminable, perennial, never-ceasing, never-failing, unfailing, enduring, permanent, sempiternal.
Soule. Dictionary of English synonyms. Словарь английских синонимов. 2012