| lubricious(careless, lively, unstable, unreasonable, unpredictable) |
| mad(lively, unpredictable, changeable, temperamental) |
| mercurial(adjective, careless, lively, unstable, unreasonable) |
| mobile(lively, unpredictable, changeable, temperamental) |
| moody(careless, unstable, unreasonable, unpredictable, changeable) |
| movable(lively, unpredictable, changeable, temperamental) |
| mutable(careless, unstable, unreasonable, unpredictable, changeable) |
| not definite |
| not sure |
| notional(careless, unstable, unreasonable, unpredictable, changeable) |
| odd(careless, unstable, unreasonable, unpredictable, changeable) |
| of two minds |
| on the fence(adjective, undecided) |
| open |
| picky(careless, unstable, unreasonable, unpredictable, changeable) |
| punchy(careless, unstable, unreasonable, unpredictable, changeable) |
| queer(careless, unstable, unreasonable, unpredictable, changeable) |
| quicksilver(lively, unpredictable, changeable, temperamental) |
| quirky(careless, unstable, unreasonable, unpredictable, changeable) |
| resilient(lively, unpredictable, changeable, temperamental) |