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English definition of “ignorance”

ignorance

noun [U]     /ˈɪɡ.nər.əns/ US  /-nɚ-/
C2 lack of knowledge, understanding, or information about something: Public ignorance about the disease is still a cause for concern. Patients, it is claimed, were kept/left in ignorance of what was wrong with them.Unaware
(Definition of ignorance noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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