Synonyms for Unfailing:

• adj.

  •all (adjective)
  • unfailing.
  •certain, unchanging (adjective)
  • boundless,
  • counted on,
  • staunch,
  • Delivering,
  • faithful,
  • endless,
  • never-failing,
  • steadfast,
  • eternal,
  • absolute,
  • surefire,
  • unrelenting,
  • trustworthy,
  • assiduous,
  • unlimited,
  • tried-and-true,
  • bottomless,
  • true,
  • inexhaustible,
  • dyed-in-the-wool,
  • diligent,
  • come-through,
  • there.
  •consistent (adjective)
  • more undeviating,
  • most undeviating,
  • logical,
  • of a piece,
  • un-varying,
  • un failing,
  • uni form,
  • un-failing,
  • of piece,
  • more consistent,
  • un deviating,
  • un varying,
  • true type,
  • uni-form,
  • un-deviating.
  •constant (adjective)
  • more attached,
  • un shaken,
  • un-wavering,
  • re-solute,
  • un-shaken,
  • de-voted,
  • de voted,
  • re solute,
  • un wavering,
  • most attached.
  •continual (adjective)
  • enduring,
  • most unwaning,
  • un-ending,
  • most persisting,
  • more oft repeated,
  • un-interrupted,
  • inter-minable,
  • in terminable,
  • more aeonian,
  • oftrepeated,
  • most oftrepeated,
  • repetitive,
  • repeated,
  • inter minable,
  • un broken,
  • re current,
  • more unbroken,
  • more permanent,
  • most oft repeated,
  • most staying,
  • re-current,
  • most oft-repeated,
  • more oft-repeated,
  • most aeonian,
  • more oftrepeated,
  • un-waning,
  • re-gular,
  • most unbroken,
  • un-ceasing,
  • re gular,
  • more staying,
  • more persisting,
  • un ceasing,
  • frequent,
  • unwaning,
  • un-broken,
  • un ending,
  • un waning,
  • in-terminable,
  • oft repeated,
  • more unwaning,
  • more frequent,
  • un interrupted.
  •dependable (adjective)
  • good as one word,
  • good as ones word,
  • more rocklike,
  • good as word,
  • carrying load,
  • be counted on,
  • most rocklike.
  •foolproof (adjective)
  • idiot-proof,
  • goofproof,
  • FAILSAFE.
  •infallible (adjective)
  • apodictic,
  • inerrant,
  • inerrable,
  • Undeceivable.
  •invariable (adjective)
  • in-alterable,
  • un-alterable,
  • in flexible,
  • in variable,
  • un-diversified,
  • un modifiable,
  • in-flexible,
  • more undiversified,
  • in alterable,
  • un changeable,
  • un alterable,
  • un relieved,
  • most undiversified,
  • in-variable,
  • un-changeable,
  • more unmodifiable,
  • un-relieved,
  • most unmodifiable,
  • unmodifiable,
  • un-modifiable,
  • un diversified.
  •loyal (adjective)
  • on ones side,
  • on side,
  • un swerving,
  • trueblue,
  • dyed in the wool,
  • true-blue,
  • un-swerving.
  •perennial (adjective)
  • never ending,
  • longlived,
  • more seasonal,
  • longlasting,
  • most yearlong,
  • more yearlong,
  • long lasting,
  • long lived,
  • most seasonal.
  •perpetual (adjective)
  • repetitious,
  • without end,
  • returning,
  • never-ceasing.
  •reliable (adjective)
  • high-principled,
  • truehearted,
  • incorrupt,
  • True-hearted.
  •same (adjective)
  • most unaltered,
  • un changed,
  • un-altered,
  • un altered,
  • more unaltered,
  • un-changed.
  •sure (adjective)
  • in escapable,
  • un avoidable,
  • more doubtless,
  • un questioning,
  • un qualified,
  • un compromising,
  • in disputable,
  • un-shakable,
  • un deniable,
  • in contestable,
  • in-disputable,
  • in-dubitable,
  • un-compromising,
  • un-avoidable,
  • most doubtless,
  • in-contestable,
  • un-deniable,
  • in dubitable,
  • in-escapable,
  • for fact,
  • un-qualified,
  • un-questioning.
  •trustworthy (adjective)
  • level headed,
  • sainter,
  • saintest,
  • rockest,
  • down home,
  • true blue.
  •trustworthy/trusty (adjective)
  • more up front,
  • be trusted,
  • more up-front,
  • on up up,
  • most upfront,
  • on up,
  • most up front,
  • most trustable,
  • most up-front,
  • on and up,
  • more upfront,
  • on level,
  • more trustable.
  •unchanging (adjective)
  • more unfading,
  • stabile,
  • more unfluctuating,
  • un-fluctuating,
  • un fading,
  • un-fading,
  • most unfluctuating,
  • most unfading,
  • un changing,
  • un fluctuating,
  • most stabile,
  • un-changing,
  • more stabile.
  •undoubting (adjective)
  • un doubting,
  • un-doubting.
  •unfaltering (adjective)
  • most stiff-necked,
  • most stiff necked,
  • more stiff-necked,
  • going the way,
  • un faltering,
  • stiffnecked,
  • going all way,
  • un-faltering,
  • going way,
  • more stiff necked,
  • most stiffnecked,
  • stiff necked,
  • un flinching,
  • bound determined,
  • un-flinching,
  • un flappable,
  • more stiffnecked.
  •unflagging (adjective)
  • un-retiring,
  • un flagging,
  • un relenting,
  • un retiring,
  • most unretiring,
  • un-flagging,
  • in exhaustible,
  • more unretiring.
  •unremitting (adjective)
  • un remitting,
  • un-remitting.
  •untiring (adjective)
  • fireball,
  • undeterred,
  • go-go,
  • grinder,
  • GOGO,
  • hyper.
  •unwearied (adjective)
  • hard-working,
  • ball of fire,
  • on the go.

• n.

  •
  • unbroken,
  • indefinite,
  • permanent.
  •
  • change.
  •
  • continue.
  •
  • tired.
  •
  • secure,
  • sure-fire.
  •foolproof (noun)
  • foolproof.

• Other synonyms:

  •
  • forever,
  • remorseless,
  • unceasing,
  • self-perpetuating,
  • evermore,
  • undisturbed,
  • indefinitely,
  • forevermore,
  • around the clock,
  • unerring,
  • continuing.
  •
  • sustainable,
  • incessant,
  • nonstop,
  • continuous,
  • seamless,
  • uninterrupted,
  • ceaseless,
  • changeless,
  • ongoing.
  •
  • persistent,
  • relentless.
  •
  • standing.
  •
  • solid.
  •
  • certain.
  •
  • straight.
  •Other relevant words:
  • faith,
  • frozen,
  • tenacious,
  • immortal,
  • decided,
  • unabating,
  • deathless,
  • habitual,
  • tireless,
  • persevering,
  • unvarying,
  • insistent,
  • sound,
  • accurate,
  • persisting,
  • positive,
  • rigid,
  • devoted,
  • inalterable,
  • pertinacious,
  • exact,
  • unsleeping,
  • unexceptional,
  • calculable,
  • intended,
  • come through,
  • regular,
  • honourable,
  • unwearying,
  • deadly,
  • unyielding,
  • unflinching,
  • unshakable,
  • inviolate,
  • unchecked,
  • spirited,
  • substantial,
  • fast,
  • vigorous,
  • tried and true,
  • monotonous,
  • unabated,
  • predictable,
  • punctilious,
  • deliberate,
  • determined,
  • unvaried,
  • assured,
  • set,
  • dedicated,
  • effective,
  • guaranteed,
  • can't-miss,
  • well-grounded,
  • rapt,
  • sedulous,
  • Unrelaxing,
  • patient,
  • quiescent,
  • settled,
  • unending,
  • indefatigable,
  • strong-willed,
  • planned,
  • stanch,
  • durable,
  • warranted,
  • responsible,
  • unconquerable,
  • purposeful,
  • Plugging,
  • obstinate,
  • affirmed,
  • remaining,
  • sempiternal,
  • eonian,
  • Uncheckered,
  • stable,
  • single-minded,
  • vital,
  • unwavering,
  • unchangeable,
  • renewed,
  • unchanged,
  • intentional,
  • never-ending,
  • unstoppable,
  • Undrooping,
  • timeless,
  • dogged,
  • immutable,
  • fixed,
  • preoccupied,
  • ever-living,
  • immobile,
  • everlasting,
  • never-tiring,
  • trusty,
  • Perseverant,
  • indomitable,
  • static,
  • resolved,
  • strong,
  • believable,
  • interminable,
  • unswerving,
  • fail-safe,
  • confirmed,
  • slogging,
  • Faithworthy,
  • around-the-clock,
  • invincible,
  • firm,
  • undaunted,
  • industrious,
  • reputable,
  • Unintermitting,
  • plodding,
  • immovable,
  • unshakeable,
  • sustained,
  • uniform,
  • torpid,
  • credible,
  • undying,
  • steady,
  • Staying,
  • dynamic,
  • imperishable,
  • recurrent,
  • lasting,
  • resolute,
  • Fadeless,
  • stationary,
  • undestroyed,
  • established,
  • energetic,
  • lively,
  • precise,
  • abiding,
  • definite,
  • unrelieved,
  • safe,
  • determinate,
  • undoubting,
  • hardworking,
  • conscientious,
  • undiscouraged,
  • sleepless,
  • stubborn,
  • well-founded,
  • trusted,
  • intact,
  • principled,
  • invariant,
  • Unshifting,
  • honest.

Paraphrases for Unfailing:

• Equivalence

  • Adjective
    unwavering, unflinching, unfaltering, unshakeable, unswerving, unflagging.
  • Noun, singular or mass
    unflinching, unswerving, unflagging.
  • Verb, gerund or present participle
    unwavering, unswerving.

• Independent

  • Adjective
    unconditional, unyielding, unqualified, uncompromising, undiminished, tireless, unchanging, continuing, unreserved, invariable, flawless, undivided, unbreakable, unbroken, unassailable, continuous, unambiguous, unceasing, foolproof, enduring, full, unremitting, strong, consistent, relentless, continual, steady, continued, unfettered, single-minded, persistent, sustained, ceaseless, whole-hearted.
  • Verb, gerund or present participle
    lingering, Recurring, lasting, Adhering, persisting, unyielding, unquestioning, continuing, unceasing, enduring, unremitting.

• Other Related

  • Adjective
    unstinting, unshakable, unrelenting, steadfast, indefatigable, unequivocal, staunch, wholehearted, infallible.
  • Verb, gerund or present participle
    unflinching, unstinting, unrelenting, unflagging.

Antonyms for Unfailing:

• adj.

  • certain, unchanging
    failing, limited, uncertain, impermanent, changing, unsure.
  • Other antonyms:
    undependable, faulty, flawed, exhaustible, questionable, unreliable, defective, doubtful, imperfect.