Perpetual may refer to:

• Perpetual Limited, an Australian diversified financials company
• Perpetual motion, a concept in physics
• Perpetual bond, a bond which pays coupons forever
• Perpetual Entertainment, a software development company

• See Perpetual motion (disambiguation) for articles with similar titles

abiding, age-long, aged, ageless, all-comprehensive, all-inclusive, all-knowing, all-powerful, all-seeing, all-wise, almighty, ancient, antique, boundless, ceaseless, changeless, chattering, chronic, coeternal, constant, continual, continuing, continuous, countless, creating, creative, dateless, diuturnal, durable, endless, enduring, eternal, eternally the same, eterne, ever-being, ever-durable, ever-during, evergreen, everlasting, everliving, exhaustless, extending everywhere, firm, fixed, frozen, glorious, good, hallowed, hardy, highest, holy, illimitable, illimited, immeasurable, immemorial, immense, immobile, immortal, immutable, incalculable, incessant, incomprehensible, indestructible, inexhaustible, infinite, infinitely continuous, innumerable, intact, interminable, interminate, intransient, invariable, inveterate, inviolate, just, lasting, limitless, long-lasting, long-lived, long-standing, long-term, longeval, longevous, loving, luminous, machine gun, macrobiotic, majestic, making, measureless, merciful, never-ceasing, never-ending, no end of, nonstop, nonterminating, nonterminous, numinous, of long duration, of long standing, olamic, omnipotent, omnipresent, omniscient, one, oscillating, perdurable, perduring, perennial, permanent, persistent, persisting, pulsating, quiescent, radiant, rapid, recurrent, regular, remaining, repeated, repetitive, rigid, sacred, sempervirent, sempiternal, shaping, shoreless, solid, sovereign, stable, staccato, static, stationary, staying, steadfast, steady, stuttering, sumless, supreme, sustained, termless, timeless, torpid, tough, ubiquitous, unaltered, unbounded, unbroken, unceasing, unchangeable, unchanged, unchanging, unchecked, uncircumscribed, undefined, undestroyed, undeviating, unending, unfading, unfailing, unfathomable, unintermitted, unintermittent, unintermitting, uninterrupted, universal, unlimited, unmeasurable, unmeasured, unnumbered, unplumbed, unremitting, unshifting, unstopped, untold, unvaried, unvarying, vibrating, vital, without bound, without end, without limit, without measure, without number