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English definition of “infallible”

infallible

adjective uk   /ɪnˈfæl.ɪ.bl̩/ us  
never wrong, failing, or making a mistake: Even the experts are not infallible.Accurate and exact
infallibility
noun [U] uk   /ɪnˌfæl.əˈbɪl.ɪ.ti/ us    /-ə.t̬i/
Accurate and exact
(Definition of infallible from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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