— disloyalist , n. — disloyally , adv.
/dis loy"euhl/ , adj.
false to one's obligations or allegiances; not loyal; faithless; treacherous.
[ 1470-80; desloial, OF desleal, equiv. to des- DIS- 1 + leal LOYAL ]
Syn . unfaithful, perfidious, traitorous, treasonable.