adjective

disloyal

dis-LOY-ul/dɪsˈlɔɪəl/

Not faithful to a person, group, or cause.

The disloyal husband removes his wedding ring while another woman kisses his cheek.

A married man slips off his wedding ring while another woman kisses his cheek.
Etymology

The law-related ancestor of loyal came to mean law-abiding, honorable, and faithful. With the negative prefix, disloyal describes someone who fails to keep that faith or allegiance.

In context

Book Odyssey29:22
points out the name Patriot Act as a master stroke of manipulation. >> How so? >> Because criticism of the state's actions, even surveillance and rights violations is automatically deemed disloyal or even treasonous
Liberty Defined by Ron Paul | Freedom, Limited Government & Individual Rights Explained

More examples

  • He is disloyal to his friends and shares their secrets.
  • Disagreeing with the coach does not make a player disloyal.
  • The rebels accuse the officer of being disloyal to their cause.

Forms

disloyal

disloyalty noun — Lack of faithfulness to someone or something.

disloyally adverb — In a way that betrays loyalty.

Similar words

unfaithful
Often describes broken commitments, especially in a romantic relationship.
treacherous
Suggests deliberate, dangerous betrayal rather than simply lacking loyalty.