unfailing Definition

unflagging, inexhaustible, infallible, constant, foolproof, unwavering, unswerving, unstinting, unfaltering, steadfast, untiring, unyielding, unshakeable, unflinching, tireless, unshakable, indefatigable, uncompromising, abiding, wholehearted, undiminished, unremitting, ceaseless, unrelenting, unconditional, invariable, resolute, unshaken, relentless, staunch, unequivocal, faultless, unbreakable, unbroken, continuous, flawless, strong, unambiguous, unassailable, persistent, incessant, irrevocable, unreserved, immovable, steady, consistent, undivided, continued, unalienable, seamless, ongoing, unqualified, airtight, full, continuing, sustained, watertight, constantly, unabated, firm, fixed, single-minded, sure-fire, undying, unerring, unhesitating, unstinted, unfeigned, unfading, boundless, unquestionable, unquestioning, everlasting, unceasing, matchless, impeccable, unsurpassed, selfless, indomitable, unimpeachable, implacable, irreproachable, sincere, unrivaled, eternal, dependable, incorruptible, loyal, unending, unbending, preternatural, exemplary, unalloyed, peerless, utmost, undeviating, unparalleled, uttermost, ardent, admirable,