| ̷ ̷ ̷ ̷| ̷ ̷ ̷ ̷gəbəl adjective
Etymology: Middle French, from Latin indefatigabilis, from in- in- (I) + defatigare to fatigue, tire (from de from, down, away + fatigare to tire) + -abilis -able — more at fatigue
: incapable of being fatigued : that continues or proceeds unremittingly and without becoming wearied : untiring , unwearying
an indefatigable worker
has indefatigable patience
• in·de·fat·i·ga·ble·ness noun -es
• in·de·fat·i·ga·bly -blē, -li adverb