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English definition of “disloyal”

disloyal

adjective uk   /ˌdɪsˈlɔɪ.əl/ us  
C2 not supporting someone that you should support: His sisters thought that his autobiography was disloyal to the family.
Opposite
Disloyalty, betrayal and treason
disloyalty
noun [U] uk   /-ti/ us  
They accused her of disloyalty.Disloyalty, betrayal and treason
(Definition of disloyal from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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