- 1. a. Incapable of being fatigued; not readily exhausted; unremitting in labor or effort; untiring; unwearying; not yielding to fatigue; as, indefatigable exertions, perseverance, application. Source: opted
- 2. adj. showing sustained enthusiastic action with unflagging vitality Source: wordnet
- 3. Incapable of being fatigued; not readily exhausted; unremitting in labor or effort; untiring; unwearying; not yielding to fatigue; as, indefatigable exertions, perseverance, application. "A constant, indefatigable attendance." South. Upborne with indefatigable wings. Milton. Syn. -- Unwearied; untiring; persevering; persistent. Source: webster
- 4. Incapable of being fatigued; not readily exhausted; unremittingin labor or effort; untiring; unwearying; not yielding to fatigue;as, indefatigable exertions, perseverance, application. "A constant,indefatigable attendance." South.Upborne with indefatigable wings. Milton. Source: adambom
- 5. j:100 s. showing sustained enthusiastic action with unflagging vitality Source: ecdict
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indefatigable
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untiringapplicationeffortexertionsexhaustedfatiguefatiguedincapablelaborperseverancereadilyunwearyingyieldingactionattendanceconstantenthusiasticmiltonshowingsouthsustainedunflaggingunremittingvitality
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