disloyal Meaning, Definition & Usage

  1. adjective showing lack of love for your country
    unpatriotic.
  2. adjective deserting your allegiance or duty to leader or cause or principle
    • disloyal aides revealed his indiscretions to the papers

WordNet

Dis*loy"al adjective
Etymology
Pref. dis- + loyal: cf. OF. desloial, desleal, F. déloyal. See Loyal.
Definitions
  1. Not loyal; not true to a sovereign or lawful superior, or to the government under which one lives; false where allegiance is due; faithless; as, a subject disloyal to the king; a husband disloyal to his wife.
    Without a thought disloyal. Mrs. Browning.
    Syn. -- Disobedient; faithless; untrue; treacherous; perfidious; dishonest; inconstant; disaffected.

Webster 1913