That has renounced or abandoned a religious or political belief, principle, or affiliation; apostate; treacherous, disloyal.

Craven, cowardly; apostate; recreant.

Unfaithful to duty or a person; false, apostate, treacherous. In predicative use. Usually with to (also †from) (one's duty, lord, moral duty, etc.).

Of the nature of defection or desertion; inclined to defect. Obsolete. rare.