unloyal

comparative more unloyal · superlative most unloyal

1. Not loyal.

   Particularly did the Kaiser call attention to the equivocal and unloyal position of England which had destroyed the hope of a peaceful issue.

   1918, James W. Gerard, Face to Face with Kaiserism

   1 more example

   I happened to hear of the Pomeroy letter in behalf of Mr. Chase, and I learned with amazement that Chase was conspiring with his friends to secure the nomination for the Presidency, and was untrue and unloyal to his chief.

   1911, Shelby M. Cullom, Fifty Years of Public Service

   Synonyms: disloyal, unfaithful, unleal, booky, dastardly, disleal, disloyal, double-crossing