Definition of irrelevance noun from the Oxford Advanced American Dictionary

      

    irrelevance

     noun
    noun
    NAmE//ɪˈrɛləvəns//
     
    (irrelevancy
    NAmE//ɪˈrɛləvənsi//
     
    (pl. irrelevancies))
     
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  1. 1[uncountable] lack of importance to or connection with a situation the irrelevance of the curriculum to children's daily life opposite relevant
  2. 2[countable, usually singular] something that is not important to or connected with a situation His idea was rejected as an irrelevance.
See the Oxford Advanced Learner's Dictionary entry: irrelevance