indefatigableness

Noun

Meaning

Indefatigable quality; unweariedness; persistency.

Source: Webster's dictionary

Synonyms

indefatigability tirelessness persistence stamina beaver crusader decision resolution resolve determination backbone devotion pluck constancy diligence
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Antonyms

loafer idler fear disorder doubt inactive
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Hypernyms

purpose determination

Close letter words and terms

indef indefatigability indefatigable indefatigably indefatigation indefeasibility