indefatigableness

noun

The state of being indefatigable.

Similar
indefatigabilitypersistencestaminatirelessness
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Meanings

nounindefatigableness (uncountable)
  1. uncountableThe state of being indefatigable.

    . . . but too much security on the republican part will give time to his talents and indefatigableness to extricate them.

    1829, Memoir, Correspondence, and Miscellanies: from the papers of Thomas Jefferson

    Synonyms: indefatigability, persistence, stamina, tirelessness

Synonyms & antonyms

nounThe state of being indefatigable.

Similar
indefatigabilitypersistencestaminatirelessness

More synonyms by meaning

nountireless determination

Similar
indefatigabilitytirelessness
Broader
determinationpurpose
Also see
indefatigabilitytirelessness

Synonym sets from Open English WordNet, CC BY 4.0.

Origin

From indefatigable + -ness.

Full word history & related roots →

Translations

Czech neúnavnost
  • neúnavnostthe state of being indefatigable
Cite this entry
APA

indefatigableness. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/indefatigableness

MLA

“indefatigableness.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/indefatigableness. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “indefatigableness,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/indefatigableness.

Source: indefatigableness on Wiktionary, CC BY-SA 4.0.