Synonyms for Un-flagging:

• adj.

  •assiduous (adjective)
  • studious,
  • Plugging,
  • laborious,
  • industrious,
  • busy,
  • attentive,
  • scrupulous,
  • grinding,
  • whiz,
  • exacting,
  • zealous,
  • unflagging,
  • eager beaver,
  • sedulous.
  •constant (adjective)
  • trustworthy,
  • tried-and-true,
  • fast,
  • faithful,
  • attached,
  • allegiant,
  • resolute,
  • dogged,
  • unshaken,
  • devoted,
  • unwavering,
  • trusty,
  • dependable,
  • true.
  •continual (adjective)
  • connected,
  • unbroken,
  • continuous,
  • permanent,
  • interminable,
  • relentless,
  • running,
  • regular,
  • recurrent,
  • around-the-clock,
  • unending,
  • consecutive,
  • frequent,
  • unvarying,
  • persisting,
  • enduring,
  • endless,
  • oft-repeated,
  • repeated,
  • unchanging,
  • aeonian,
  • unwaning,
  • everlasting,
  • perpetual,
  • dateless,
  • eternal,
  • timeless,
  • repetitive,
  • Staying,
  • persistent,
  • ceaseless,
  • uninterrupted.
  •diligent (adjective)
  • earnest,
  • eager,
  • painstaking,
  • Operose,
  • conscientious,
  • steadfast,
  • grind,
  • careful,
  • occupied,
  • pertinacious.
  •dogged (adjective)
  • insistent,
  • bullheaded,
  • obstinate,
  • adamant,
  • mulish,
  • firm,
  • unyielding,
  • rigid,
  • Perseverant,
  • tough nut,
  • obdurate,
  • inexorable,
  • perseverative,
  • hard-nosed,
  • tenacious,
  • unbending,
  • single-minded,
  • stubborn,
  • hanging tough,
  • unshakable,
  • pigheaded,
  • inflexible,
  • hardheaded.
  •energetic (adjective)
  • high-powered,
  • brisk,
  • vital,
  • lusty,
  • hardy,
  • vigorous,
  • rugged,
  • potent,
  • breezy,
  • zippy,
  • strong,
  • animated,
  • enterprising,
  • lively,
  • tough,
  • demoniac,
  • powerful,
  • driving,
  • sturdy,
  • red-blooded,
  • stalwart,
  • aggressive,
  • vivacious,
  • spry,
  • spirited,
  • fresh,
  • strenuous,
  • forcible,
  • peppy,
  • snappy,
  • kinetic,
  • ball of fire,
  • sprightly.
  •hardy (adjective)
  • hearty,
  • hardened,
  • able,
  • capable,
  • mighty,
  • fit,
  • robust,
  • healthy,
  • burly,
  • hefty,
  • substantial,
  • in good shape,
  • solid,
  • brawny,
  • seasoned,
  • resistant,
  • muscular,
  • stout,
  • sound,
  • well,
  • in good condition,
  • physically fit,
  • able-bodied,
  • Acclimatized,
  • in fine fettle,
  • hale,
  • inured.
  •hopeful (adjective)
  • elated,
  • confident,
  • rosy,
  • upbeat,
  • anticipative,
  • forward-looking,
  • trusting,
  • emboldened,
  • looking forward to,
  • Hoping,
  • assured,
  • enthusiastic,
  • cheerful,
  • serene,
  • rose-colored,
  • comfortable,
  • sanguine,
  • blithe,
  • satisfied,
  • buoyant,
  • Anticipating,
  • Inspirited,
  • at ease,
  • high,
  • lighthearted,
  • Expecting,
  • calm,
  • keeping the faith,
  • reassured,
  • trustful,
  • content.
  •indefatigable (adjective)
  • patient,
  • ironclad,
  • dead set on,
  • bound and determined,
  • hell-bent,
  • stop at nothing,
  • unflinching,
  • determined,
  • unwearying,
  • nose to grindstone.
  •kinetic (adjective)
  • dynamical.
  •persistent (adjective)
  • incessant,
  • immovable,
  • never-ending,
  • sticky,
  • in for long haul,
  • bulldogged,
  • like bad penny,
  • continual,
  • bound.
  •relentless (adjective)
  • sustained,
  • unabated,
  • punishing,
  • unrelieved,
  • unstoppable,
  • nonstop.
  •resolute (adjective)
  • loyal,
  • bold,
  • courageous,
  • purposeful,
  • intent upon,
  • immutable,
  • serious,
  • decided,
  • intrepid,
  • undaunted,
  • meaning business,
  • valiant,
  • resolved,
  • settled,
  • set,
  • uncompromising.
  •round-the-clock (adjective)
  • ongoing.
  •rugged (adjective)
  • well-built,
  • husky,
  • forceful,
  • athletic.
  •tireless (adjective)
  • perky,
  • hyper,
  • on the go,
  • hard-working,
  • jumping.
  •undivided (adjective)
  • detailed,
  • joined,
  • complete,
  • unanimous,
  • concentrated,
  • exclusive,
  • full,
  • concerted,
  • single,
  • circumspect,
  • intense,
  • deliberate,
  • undistracted,
  • intent,
  • absorbed,
  • engrossed,
  • unswerving,
  • continued,
  • vigilant,
  • combined,
  • collective,
  • lock stock and barrel,
  • entire,
  • uncut,
  • minute,
  • wholehearted,
  • united,
  • thorough.
  •unfailing (adjective)
  • invariable,
  • absolute,
  • boundless,
  • surefire,
  • there,
  • rock solid,
  • unlimited,
  • reliable,
  • same,
  • bottomless,
  • consistent,
  • continuing,
  • infallible,
  • sure,
  • dyed-in-the-wool,
  • never-failing,
  • come-through,
  • counted on,
  • straight,
  • Delivering.
  •unfaltering (adjective)
  • stiff-necked,
  • unflappable,
  • unquestioning,
  • bent on,
  • unqualified,
  • abiding,
  • going all the way.
  •unflagging (adjective)
  • diligent,
  • inexhaustible,
  • persevering,
  • active,
  • unceasing,
  • unfaltering,
  • unfailing,
  • unretiring,
  • constant,
  • steady,
  • undeviating,
  • energetic,
  • assiduous,
  • unwearied,
  • dynamic,
  • unrelenting,
  • unremitting,
  • untiring,
  • staunch,
  • tireless,
  • indefatigable,
  • fixed.
  •unremitting (adjective)
  • round-the-clock.
  •untiring (adjective)
  • indomitable,
  • plodding,
  • unstinted,
  • fireball,
  • undeterred,
  • dedicated,
  • go-go.
  •unwavering (adjective)
  • set in stone,
  • pat,
  • brick-wall.
  •unwearied (adjective)
  • Weariless.

Antonyms for Un-flagging:

• adj.

  • assiduous
    lethargic, negligent, lazy, neglectful, indifferent.
  • constant
    flagging, ending, stopping, interrupted, fluctuating, undecided, irregular, untrue, terminable, untrustworthy, false, varying, unstable, changeable, fickle, undetermined, Terminating, dishonest, disloyal, unsteady, concluding.
  • continual
    occasional, Ceasing, halting, finished, broken, bounded, infrequent, discontinuous, temporary, completed, transient, sporadic, checked, intermittent.
  • diligent
    idle, unenthusiastic, careless, disinterested, languid, inactive, ignorant, unconcerned, uncareful, thoughtless, inattentive, unscrupulous.
  • dogged
    soft, unreliable, yielding, irresolute, weak, flexible, Surrendering.
  • energetic
    impotent, dull, passive, easy-going, dispirited, sluggish, laid-back, apathetic, lifeless, slow.
  • hardy
    infirm, sick, tender, invalid, unhealthy, incomplete, feeble, unfit.
  • hopeful
    gloomy, depressed, desperate, sad, pale, upset, pessimistic, heavy, hopeless, despairing, despondent, discouraged, fearful, low, down, unhappy, unpromising, wretched, inauspicious, pointless.
  • indefatigable
    fatigued.
  • laborious
    facile, lackadaisical, simple, effortless, reticent, easy, trivial.
  • persistent
    sympathetic, merciful, Relenting.
  • relentless
    kind, understanding.
  • resolute
    cautious, submissive, afraid, agreeable, light, cooperative, complacent, shy, willing, meek, cowardly, timid.
  • round-the-clock
    incontinuous.
  • rugged
    level, gentle, nice, refined, even, moderate, small, wobbly, flat, courteous, smooth, sophisticated, calm, mild, tiny.
  • tireless
    enervated, beat, worn out.
  • undivided
    partial, divided, separate.
  • unfailing
    limited, unsure, impermanent, uncertain, failing.
  • unfaltering
    faltering, unsettled.
  • unflagging
    tired, variable, inconstant, wavering, weary, changing.
  • untiring
    tiring, unpersevering.
  • unwavering
    inconsistent.