Simple Definition of disloyal

from our Learner's Dictionary

disloyal

adjective

: failing to support or be true to someone or something : not loyal or faithful to your friends, family, country, etc.
It would be disloyal to abandon them.
disloyal employees
often + to
a traitor disloyal to his country

Cite this Entry

“Disloyal.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/disloyal. Accessed 20 Jun. 2026.

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