Synonyms to interminable

ageless, age-old, ancient, antique, auld, ceaseless, coeternal, constant, continual, continuous, dateless, elderly, endless, eternal, eterne, ever-being, ever-durable, ever-during, everlasting, everliving, hoary, immemorial, incessant, indestructible, infinite, never-ceasing, never-ending, nonstop, nonterminating, nonterminous, of old, of yore, olamic, old, old as Methuselah, old as history, old as time, old-time, olden, perdurable, permanent, perpetual, sempiternal, steady, timeless, unceasing, unending, unintermitting, uninterrupted, unremitting, venerable, without end, all comprehensive, across-the-board, all-comprehending, all-covering, all-embracing, all-encompassing, all-filling, all-including, all-inclusive, all-pervading, allover, blanket, boundless, catholic, compendious, complete, comprehensive, cosmopolitan, countless, country-wide, ecumenic, encyclopedic, exhaustless, extending everywhere, galactic, global, heaven-wide, illimitable, illimited, immeasurable, immense, incalculable, incomprehensible, inexhaustible, infinitely continuous, innumerabl