unreliabilityn.
/(ˌ)ʌnrᵻˌlʌɪəˈbɪlᵻti/, U.S. /ˌənrəˌlaɪəˈbɪlədi/ The state or fact of being unreliable.
ΘΚΠ
the mind > mental capacity > belief > uncertainty, doubt, hesitation > unreliability > [noun]
unsadnessc1384
slipperness1401
slithernessa1492
untrust1563
lubricity1613
slipperinessa1618
fallacy1646
fallibleness1646
inevidence1658
undeterminationa1676
unevidencea1676
infidelity1777
untrustworthiness1808
unreliability1809
unreliableness1844
1809 S. T. Coleridge Coll. Lett. (1959) III. 217 I have thought it right on my own account to mention this circumstance, to ward off suspicions of irregularity and (to coin a word) unreliability from myself.
1841 Morning Chron. 12 Aug. Every section of his own party has..complained of the political dishonesty, the trickiness, the superficiality, the unreliability, of his political character.
1883 Harper's Mag. Mar. 496/1 The unreliability of epitaphs..is proverbial.
1930 E. Mason Paris Commune iii. 128 Thiers' plan was vitiated by the unreliability of his troops.
1968 Brit. Jrnl. Psychiatry 114 859/2 The drug was deliberately given at the two meal-times because of the known unreliability of unsupervised medicine-taking.
2008 Times Educ. Suppl. (Nexis) 16 May 12 Not everyone is convinced that rocketing IQs should be taken as anything other than proof of the unreliability of intelligence testing itself.
This entry has been updated (OED Third Edition, December 2014; most recently modified version published online December 2021).
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n.1809