| varying(adjective, unstable, irregular, unsettled, unpredictable) |
| adjustable(adjective, tolerant, flexible, compliant, variable) |
| ephemeral(adjective, short, limited, impulsive, unpredictable) |
| evanescent(adjective, transient) |
| flickering(adjective, irregular, disturbed, variable, broken) |
| fly-by-night(adjective, loose, short, unpredictable, unreliable) |
| giddy(adjective, weak, careless, excited, silly) |
| liminal |
| modifiable(adjective, change, flexible, compliant, fickle) |
| momentary(adjective, present, short, limited, brief) |
| opaline |
| plastic(adjective, change, flexible, compliant, fickle) |
| pliant(adjective, flexible, compliant, fickle, pliable) |
| short-lived(adjective, present, short, limited, brief) |
| supple(flexible, compliant, pliable, resilient, malleable) |
| transitory(adjective, present, short, limited, brief) |
| vagrant(adjective, unstable, unsettled, variable, inconstant) |
| variegated(adjective, separate, individual, distinct, different) |
| ambivalent(adjective, uncertain, doubtful, vague, hesitant) |
| dizzy(adjective, weak, careless, excited, unstable) |