English Lexicon

dereliction

/ˌdɛrəˈlɪkʃən/
nounCEFR C2 (Proficient)Top #45000 frequency
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Comprehensive Definitions & Senses

1 sense
As noun
  1. 1

    The shameful failure to fulfill one's obligations.

    "The officer was court-martialed for dereliction of duty."

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Linguistic Origin & Historical Etymology

Early 17th century: from Latin derelictio(n-), from the verb derelinquere 'forsake utterly', from de- 'down, utterly' + relinquere 'leave'.

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