| meteoric(adjective, brief, immediate, instant, sudden) |
| fading(adjective, brief, transient, transitory, short-lived) |
| mortal(adjective, human, transient) |
| changeable(adjective, present, short, limited, brief) |
| fickle(adjective, impulsive, unpredictable, transient, explosive) |
| flitting(adjective, short, brief, temporary, transient) |
| short-term(adjective, temporary, transient) |
| momentaneous |
| mutable(adjective, transient) |
| instant(adjective, instantaneity) |
| provisional |
| shifting(adjective, brief, transient, fleeting) |
| flickering(adjective, transient) |
| flying(adjective, short, brief, temporary, transitory) |
| immediate(adjective, instantaneity) |
| imminent(adjective, near) |
| impulsive(adjective, unpredictable, brief, explosive, fleeting) |
| inconstant(adjective, impulsive, unpredictable, explosive) |
| interim |
| little(adjective, slight, small, unimportant, precise) |