infatigable

adj.

c.1500, from French infatigable (15c.), from Latin infatigabilis, from in- "not, opposite of" (see in- (1)) + fatigabilis, from fatigare "to weary" (see fatigue).


Nearby words

  1. infantryman,
  2. infants' school,
  3. infarct,
  4. infarction,
  5. infare,
  6. infatuate,
  7. infatuated,
  8. infatuation,
  9. infauna,
  10. infeasibility

Online Etymology Dictionary, © 2010 Douglas Harper