| committing perjury(expression, fickle, untrustworthy, unprincipled, dirty-dealing) |
| cunning(dishonest, deceitful, sneaky, underhanded, underhand) |
| deceitful(dishonest, crooked, sneaky, underhanded) |
| dirty dealing(expression, dishonest, deceitful, fickle, untrustworthy) |
| disloyal(fickle, untrustworthy, unprincipled, dirty-dealing) |
| double-dealing(fickle, untrustworthy, unprincipled, dirty-dealing) |
| double dealing(expression, fickle, untrustworthy, unprincipled, dirty-dealing) |
| extracurricular(fickle, untrustworthy, unprincipled, dirty-dealing) |
| fair-weather(fickle, untrustworthy, unprincipled) |
| faithless(fickle, untrustworthy, unprincipled, dirty-dealing) |
| falsehearted(fickle, untrustworthy, unprincipled, dirty-dealing) |
| fickle(untrustworthy, unprincipled, dirty-dealing) |
| fly by night(expression, idiom, fickle, untrustworthy, unprincipled) |
| foresworn(fickle, untrustworthy, unprincipled, dirty-dealing) |
| hidden |
| in disguise(expression, furtively, incognito) |
| in secret(expression, idiom) |
| incognito |
| inconstant(fickle, untrustworthy, unprincipled) |
| lying(fickle, untrustworthy, unprincipled, dirty-dealing) |