Synonyms for Unretiring:

• adj.

  •Other relevant words: (adjective)
  • undeviating,
  • unflagging.
  •unflagging (adjective)
  • dynamic,
  • energetic,
  • constant,
  • unrelenting,
  • persevering,
  • unfailing,
  • assiduous,
  • inexhaustible,
  • steady,
  • tireless,
  • fixed,
  • active,
  • unceasing,
  • untiring,
  • indefatigable,
  • unwearied,
  • unremitting,
  • staunch,
  • unfaltering,
  • diligent.

Antonyms for Unretiring:

• adj.

  • unflagging
    changing, tired, variable, wavering, weary, inconstant.