| summary(adjective, rapid, swift, instant) |
| ephemeral(adjective, transient, transientness) |
| evanescent(adjective, transient, transientness) |
| precipitate(verb, adjective, summary, rapid, swift) |
| short(adjective, summary, rapid, swift, instant) |
| direct(adjective, prompt, fast, quick, immediate) |
| expeditious(adjective, fast, precise, responsive, summary) |
| eye-opening(adjective, amazing, astonishing, astounding, dumbfounding) |
| fading(adjective, transient) |
| fleet(adjective, fast, summary, rapid, swift) |
| passing(adjective, transient, transientness) |
| rash(adjective, impulsive, sudden) |
| ready |
| restless(adjective, transient) |
| shifting(adjective, transient, transientness) |
| short-lived(adjective, transient, transientness) |
| unhesitating |
| changeable(adjective, transient) |
| express(verb, adjective, fast, summary, rapid) |
| fickle(adjective, transient) |