invalidness

I1N1V4A1L1I1D2N1E1S1S1

noun

invalidity; the state of being invalid

“the invalidness of reasoning”

Similar
invalidity
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Meanings

nouninvalidness (uncountable)
  1. uncountableinvalidity; the state of being invalid

    the invalidness of reasoning

Synonyms & antonyms

nounillogicality as a consequence of having a conclusion that does not follow from the premisses

Similar
invalidity
Broader
illogicalityillogicalnessillogic
Also see
invalidity

Synonym sets from Open English WordNet, CC BY 4.0.

Origin

From invalid + -ness.

Full word history & related roots →
Cite this entry
APA

invalidness. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/invalidness

MLA

“invalidness.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/invalidness. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “invalidness,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/invalidness.

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