| faithless(adjective, false, fickle, untrue, untrustworthy) |
| false-hearted(adjective, false, untrue, disloyal, cheating) |
| fickle(adjective, false, untrue, untrustworthy, unprincipled) |
| fictitious |
| foresworn(adjective, false, fickle, untrue, untrustworthy) |
| inconstant(adjective, false, fickle, untrue, untrustworthy) |
| incontinent(adjective, false, untrue, disloyal, cheating) |
| misbegot |
| misbegotten |
| moonlighting(adjective, false, fickle, untrue, untrustworthy) |
| not true to(expression, adjective, idiom, false, fickle) |
| of bad faith(expression, adjective, idiom, false, fickle) |
| perfidious(adjective, false, fickle, untrue, untrustworthy) |
| philandering(adjective, false, untrue, disloyal, cheating) |
| recreant(adjective, false, untrue, disloyal, cheating) |
| shifty(adjective, false, untrue, disloyal, cheating) |
| snaky(adjective, false, untrue, disloyal, cheating) |
| sneaking(adjective, false, untrue, disloyal, cheating) |
| traitorous(adjective, false, fickle, untrue, untrustworthy) |
| treacherous(adjective, false, fickle, untrue, untrustworthy) |