adjective dis·loy·al \(ˌ)dis-ˈli(-ə)l\

: failing to support or be true to someone or something : not loyal or faithful to your friends, family, country, etc.

Full Definition of DISLOYAL

:  lacking in loyalty; also :  showing an absence of allegiance, devotion, obligation, faith, or support <his disloyal refusal to help his friend>
dis·loy·al·ly \-ˈli-ə-lē\ adverb

Examples of DISLOYAL

  1. It would be disloyal to abandon them.
  2. <we sensed that he was disloyal and would eventually turn on us>

Origin of DISLOYAL

Middle English, from Anglo-French desleial, desloial, from des- dis- + leal loyal
First Known Use: 15th century


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