- 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.
Meaning of 'disloyal' (Princeton's WordNet)
1 . disloyal
[ a]
Meaning (1): - deserting your allegiance or duty to leader or cause or principle
Example in sentence:
disloyal aides revealed his indiscretions to the papers