| committing perjury(expression, fickle, untrustworthy, unprincipled) |
| conniving(adjective, false, dishonest, deceitful, unreliable) |
| crooked(adjective, false, dishonest, deceitful, unreliable) |
| deceitful(adjective, false, dishonest, unreliable, undependable) |
| dirty-dealing(fickle, untrustworthy, unprincipled) |
| dirty dealing(expression, fickle, untrustworthy, unprincipled) |
| double-dealing(fickle, untrustworthy, unprincipled) |
| double dealing(expression, fickle, untrustworthy, unprincipled) |
| duplicitous(fickle, untrustworthy, unprincipled) |
| extracurricular(fickle, untrustworthy, unprincipled) |
| false(adjective, dishonest, deceitful, unreliable, undependable) |
| falsehearted(fickle, untrustworthy, unprincipled) |
| fink(adjective, false, dishonest, deceitful, unreliable) |
| fly by night(expression, idiom, fickle, untrustworthy, unprincipled) |
| foresworn(fickle, untrustworthy, unprincipled) |
| guileful(adjective, false, dishonest, deceitful, unreliable) |
| hanging by thread(expression, idiom, nervous, insecure, unsure) |
| in doubt(expression, uncertain, doubtful, unsure) |
| inconstant(fickle, untrustworthy, unprincipled) |
| irresolute(uncertain, nervous, doubtful, insecure, unsure) |