unloyal (?.)
- derelict
- disaffected
- disloyal
- disregardful
- faithless
- false
- fickle
- inattentive
- inconstant
- inobservant
- negligent
- nonadherent
- noncompliant
- nonconforming
- nonobservant
- not true to
- of bad faith
- perfidious
- recreant
- traitorous
- treacherous
- trothless
- uncompliant
- unconforming
- unfaithful
- unobservant
- unsteadfast
- untrue
