indefatigability

Cannot be exhausted

Indefatigability is the quality of being tireless—unable to be worn out or exhausted.

The word emphasizes sustained effort despite challenges: Her indefatigability in pursuing justice inspired the whole team.

It carries a note of admiration, suggesting someone whose energy or persistence seems almost superhuman.

persistence

perseverance

Sustained resolve despite obstacles

relentlessness · constancy · dedication · commitment · assiduity · obstinacy · stubbornness · unyieldingness · insistence · patience

endurance

stamina

Capacity for sustained effort

hardiness · durability · vigor · vitality · strength · energy · resilience · staying power · capacity · resistance

spirit

determination

Firmness of purpose

  • resolveFirmness of purpose
  • willpowerMental strength resisting impulse
  • gritDetermination or abrasive particles

pluck · spunk · backbone · courage · fortitude · mettle · heart · fighting spirit · moxie · chutzpah

diligence

industriousness

Habitual hard work

assiduousness · rigor · application · attentiveness · carefulness · earnestness · dedication · scrupulousness · methodicalness · sedulousness

tirelessness

unflagging

Persistently energetic

unstoppable · incessant · ceaseless · unrelenting · inexhaustible · perpetual motion · round-the-clock · unceasing · nonstop · sleeplessness

Categories
Opposites
energy and endurance

indefatigabilityexhaustion

State of utter depletion

fatigue · fatigability · tiredness · weariness · enervation

persistence and determination

indefatigabilitydefeatism

Acceptance of inevitable failure

surrender · capitulation · giving up · quitting · resignation

work ethic and motivation

indefatigabilitylaziness

Unwillingness to exert oneself

sloth · indolence · idleness · apathy · listlessness

Family

fatigue, fatigued, fatiguing, indefatigable, indefatigably, unfatigued

Familiarity
Top 1,000,000
Profile
Used worldwide · Timeless · Abstract · Positive · Everyday, not technical · Rated G