Indefatigable spirit Synonyms

Indefatigable replaced

Definitions for Indefatigable


  • (adjective) showing no signs of weariness even after long hard effort
  • (adjective) showing sustained enthusiastic action with unflagging vitality

Synonyms for phrase

IS abbreviation

IS is an abbreviation for Indefatigable Spirit
What does IS stand for?
IS stands for "Indefatigable Spirit"

Definitions for Spirit


  • (noun) an immaterial force within a human being thought to give the body life, energy, and power
  • (noun) a state of mind dominated by a particular emotion
  • (noun) the soul of a dead person thought of especially as appearing to living people