unfailing

from WordNet (r) 3.0 (2006)
unfailing
    adj 1: not liable to failure; "a foolproof identification
           system"; "the unfailing sign of an amateur"; "an
           unfailing test" [syn: {foolproof}, {unfailing}]
    2: always able to supply more; "an unfailing source of good
       stories"; "a subject of unfailing interest"
    3: unceasing; "unfailing loyalty"; "unfailing good spirits";
       "unflagging courtesy" [syn: {unfailing}, {unflagging}]
    
from The Collaborative International Dictionary of English v.0.48
Unfailing \Un*fail"ing\, a.
   Not failing; not liable to fail; inexhaustible; certain;
   sure. --Dryden. -- {Un*fail"ing*ly}, adv. --
   {Un*fail"ing*ness}, n.
   [1913 Webster]
    
from Moby Thesaurus II by Grady Ward, 1.0
117 Moby Thesaurus words for "unfailing":
      abiding, assiduous, calculable, certain, changeless, consistent,
      constant, continuing, dependable, devoted, diligent, dogged,
      durable, enduring, faithful, faithworthy, fast, firm, fixed,
      frozen, immobile, immutable, inalterable, indefatigable,
      indomitable, industrious, insistent, intact, invariable,
      invincible, inviolate, lasting, loyal, marble-constant,
      never-tiring, obstinate, patient, patient as Job, permanent,
      perpetual, perseverant, persevering, persistent, persisting,
      pertinacious, plodding, plugging, predictable, preoccupied,
      quiescent, rapt, relentless, reliable, remaining, resolute, rigid,
      secure, sedulous, single-minded, sleepless, slogging, solid, sound,
      stable, static, stationary, staunch, staying, steadfast, steady,
      stubborn, substantial, sure, surefire, sustained, tenacious,
      tireless, torpid, true, true-blue, trustworthy, trusty, unabating,
      unaltered, unchangeable, unchanged, unchanging, unchecked,
      unconquerable, undaunted, undestroyed, undiscouraged, undrooping,
      unfading, unfaltering, unflagging, unflinching, unintermitting,
      uninterrupted, unnodding, unrelaxing, unrelenting, unremitting,
      unshifting, unsleeping, unswerving, untiring, unvaried, unvarying,
      unwavering, unwearied, unwearying, unwinking, utterly attentive,
      weariless, well-founded, well-grounded

    

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