| passing(verb, adjective, moving, transient, transientness) |
| shifty(adjective, changeable, fickle, volatile, wavering) |
| transient(adjective, transient, transientness) |
| transitory(adjective, transient, transientness) |
| uncertain(adjective, upset, anxious, unstable, irregular) |
| deviating(verb, deflecting) |
| ephemeral(adjective, transient, transientness) |
| evanescent(adjective, transient, transientness) |
| ever-changing(adjective, unstable, changeable) |
| fitful(adjective, strange, unstable, fantastic, irregular) |
| fleeting(adjective, transient, transientness) |
| flitting(adjective, transient) |
| innovation |
| irresolute(adjective, unstable, irregular, unsettled, hesitant) |
| spasmodic(adjective, unusual, unstable, irregular, unsettled) |
| temporary(adjective, transient) |
| unreliable(adjective, unusual, unstable, irregular, unsettled) |
| vacillating(adjective, unstable, irregular, unsettled, shaky) |
| vagabond(adjective, unsettled, wandering, vagrant, drifting) |
| varying(verb, adjective, unstable, irregular, unsettled) |