| erratic(ambiguous, rambling, incidental, circuitous, tortuous) |
| extracurricular(fickle, untrustworthy, unprincipled) |
| fair-weather(fickle, untrustworthy, unprincipled) |
| fake(false, dishonest, deceitful, untrue, slick) |
| falsified(fake, deceitful, untrue) |
| fast |
| fly by night(expression, idiom, fickle, untrustworthy, unprincipled) |
| foresworn(fickle, untrustworthy, unprincipled) |
| forged(fake, deceitful, untrue) |
| hedging |
| hush-hush(dishonest, cunning, deceitful, sneaky, underhanded) |
| illegal(fake, deceitful, untrue) |
| imitation(fake, deceitful, untrue) |
| implied(ambiguous, rambling, incidental, circuitous, tortuous) |
| incidental(ambiguous, rambling, circuitous, tortuous) |
| inconstant(fickle, untrustworthy, unprincipled, sneaky, shifty) |
| insecure |
| inveracity |
| left- handed(expression, deceitful, lying, double, double-faced) |
| long(ambiguous, rambling, incidental, circuitous, tortuous) |