Interminable

a.

1.

Without termination; admitting no limit; boundless; endless; wearisomely protracted; as, interminable space or duration; interminable sufferings; an interminable sermon. That wild interminable waste of waves. - Grainger.

Adj.

1.

interminable - tiresomely long; seemingly without end; "endless debates"; "an endless conversation"; "the wait seemed eternal"; "eternal quarreling"; "an interminable sermon" Synonyms: endless, eternal

a mile long, ageless, all-comprehensive, all-inclusive, articulated, catenated, ceaseless, coeternal, concatenated, connected, constant, continual, continued, continuing, continuous, countless, cyclical, dateless, direct, drawn-out, eterne, ever-being, ever-durable, ever-during, everlasting, everliving, exhaustless, extended, extending everywhere, extensive, far-flung, far-reaching, fargoing, featureless, gapless, illimitable, illimited, immediate, immemorial, incalculable, incessant, incomprehensible, indestructible, inexhaustible, infinite, infinitely continuous, innumerable, interminate, joined, jointless, languishing, lasting, lengthened, lengthy, limitless, lingering, linked, long, long-continuing, long-drawn, long-drawn-out, long-pending, long-winded, longish, longsome, marathon, measureless, monotonous, never-ceasing, never-ending, no end of, nonstop, nonterminating, nonterminous, olamic, overlong, perdurable, perennial, periodic, permanent, perpetual, prolonged, protracted, recurrent, repetitive, round-the-clock, running, seamless, sempiternal, serried, sesquipedal, sesquipedalian, shoreless, smooth, spun-out, stable, steady, straight, stretched-out, sumless, tall, termless, timeless, twenty-four-hour, unbroken, unceasing, uncircumscribed, undifferentiated, unending, unfathomable, uniform, unintermitted, unintermittent, unintermitting, uninterrupted, universal, unmeasurable, unmeasured, unnumbered, unplumbed, unrelieved, unremitting, unstopped, untold, without bound, without end, without limit, without measure, without number