| dirty dealing(expression, fickle, untrustworthy, unprincipled, dirty-dealing) |
| disloyal(fickle, untrustworthy, unprincipled, dirty-dealing) |
| dissembling(adjective, wrong, false, dishonest, deceitful) |
| dissimulating(adjective, wrong, false, dishonest, deceitful) |
| double dealing(expression, adjective, wrong, fickle, untrue) |
| duplicitous(fickle, untrustworthy, unprincipled) |
| equivocating(adjective, wrong, false, dishonest, deceitful) |
| extracurricular(fickle, untrustworthy, unprincipled, dirty-dealing) |
| fair-weather(fickle, untrustworthy, unprincipled) |
| faithless(fickle, untrustworthy, unprincipled, dirty-dealing) |
| false(adjective, wrong, dishonest, deceitful, unreliable) |
| falsehearted(fickle, untrustworthy, unprincipled, dirty-dealing) |
| falsifying(adjective, wrong, false, dishonest, deceitful) |
| fibbing(adjective, wrong, false, dishonest, deceitful) |
| fickle(untrustworthy, unprincipled, dirty-dealing) |
| fly by night(expression, idiom, fickle, untrustworthy, unprincipled) |
| foresworn(fickle, untrustworthy, unprincipled, dirty-dealing) |
| guileful(adjective, wrong, false, dishonest, deceitful) |
| inconstant(fickle, untrustworthy, unprincipled) |
| insincere(adjective, dishonest, deceitful, untruthful, two-faced) |