Antonyms of noun loyalty

1 of 3 senses of loyalty

Sense 1
loyalty, trueness -- (the quality of being loyal)
       Antonym of disloyalty (Sense 1)
      => disloyalty -- (the quality of being disloyal)

Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun loyalty

3 senses of loyalty

Sense 1
loyalty, trueness -- (the quality of being loyal)
       => fidelity, faithfulness -- (the quality of being faithful)

Sense 2
loyalty -- (feelings of allegiance)
       => love -- (a strong positive emotion of regard and affection; "his love for his work"; "children need a lot of love")

Sense 3
commitment, allegiance, loyalty, dedication -- (the act of binding yourself (intellectually or emotionally) to a course of action; "his long commitment to public service"; "they felt no loyalty to a losing team")
       => cooperation -- (joint operation or action; "their cooperation with us was essential for the success of our mission")