unwearied

from WordNet (r) 3.0 (2006)

unwearied
    adj 1: with unreduced energy [syn: {untired}, {unwearied},
           {unweary}]

from The Collaborative International Dictionary of English v.0.48

Unwearied \Un*wea"ried\, a.
   Not wearied; not fatigued or tired; hence, persistent; not
   tiring or wearying; indefatigable. -- {Un*wea"ried*ly}, adv.
   -- {Un*wea"ried*ness}, n.
   [1913 Webster]

from Moby Thesaurus II by Grady Ward, 1.0

79 Moby Thesaurus words for "unwearied":
      ardent, assiduous, constant, continuing, diligent, dogged,
      enduring, energetic, faithful, fervent, hard, hardworking,
      immutable, inalterable, indefatigable, indomitable, industrious,
      insistent, invincible, laborious, lasting, loyal, never idle,
      never-tiring, obstinate, patient, patient as Job, permanent,
      perseverant, persevering, persistent, persisting, pertinacious,
      plodding, plugging, preoccupied, rapt, relentless, resolute,
      sedulous, single-minded, sleepless, slogging, stable, steadfast,
      steady, strenuous, stubborn, tenacious, tireless, unabating,
      unconquerable, undaunted, undiscouraged, undrooping, unexhausted,
      unfailing, unfaltering, unfatigued, unflagging, unflinching,
      unintermitting, uninterrupted, unnodding, unrelaxing, unrelenting,
      unremitting, unsleeping, unsparing, unswerving, untired, untiring,
      unwavering, unwearying, unwinking, utterly attentive, vehement,
      weariless, zealous