| jumpy(nervous, insecure, unsure) |
| lubricious(fickle, untrustworthy, unprincipled) |
| lying(fickle, untrustworthy, unprincipled) |
| mercentary(fickle, untrustworthy, unprincipled) |
| moonlighting(fickle, untrustworthy, unprincipled) |
| nervous(insecure, unsure) |
| not dependable(expression, adjective, false, dishonest, deceitful) |
| not true to(expression, idiom, fickle, untrustworthy, unprincipled) |
| of bad faith(expression, idiom, fickle, untrustworthy, unprincipled) |
| on the QT(expression, idiom, fickle, untrustworthy, unprincipled) |
| on the quiet(expression, idiom, fickle, untrustworthy, unprincipled) |
| on thin ice(expression, idiom, nervous, insecure, unsure) |
| perfidious(fickle, untrustworthy, unprincipled) |
| perjurious(fickle, untrustworthy, unprincipled) |
| polygamous(fickle, untrustworthy, unprincipled) |
| questioning(uncertain, nervous, doubtful, insecure, unsure) |
| quicksilver(fickle, untrustworthy, unprincipled) |
| self-doubting(nervous, insecure, unsure) |
| shaky(uncertain, nervous, doubtful, insecure, unsure) |
| sharp(adjective, false, dishonest, deceitful, unreliable) |