| flying(adjective, hot, short, quick, brief) |
| hurried(adjective, time, hot, quick, speedy) |
| instantaneous(adjective, sudden, transient, transientness) |
| perfunctory(adjective, quick, speedy, hasty, superficial) |
| provisional |
| shifting(adjective, transient, transientness) |
| unsustainable |
| brisk(adjective, hot, quick, nimble, speedy) |
| deciduous |
| fast(adjective, quick, rapid, hasty, superficial) |
| flighty(adjective, impulsive, unpredictable, capricious, explosive) |
| lively(impulsive, unpredictable, volatile, explosive) |
| perishable(adjective, present, short, limited, brief) |
| pro tem(adjective, temporary) |
| restless(adjective, transient) |
| rootless(adjective, transient) |
| superficial(adjective, quick, speedy, hasty, hurried) |
| swift(adjective, hot, quick, speedy, hasty) |
| unstable(adjective, present, short, limited, brief) |
| vanishing(adjective, brief, transient, transitory, short-lived) |