| rapid(adjective, quick, speedy, immediate) |
| PDQ(adjective, quick, rapid, nimble) |
| active(quick, rapid, nimble, speedy) |
| afire(adjective, white, glowing, fiery) |
| agile(quick, rapid, nimble, speedy) |
| blue streak(expression, adjective, quick, nimble) |
| breakneck(quick, rapid, nimble, speedy) |
| chop-chop(adjective, quick, rapid, nimble) |
| conflagrant(adjective, white, glowing, fiery) |
| double-time(adjective, quick, rapid, nimble) |
| electric(quick, rapid, nimble, speedy) |
| enkindled(adjective, white, glowing, fiery) |
| expeditious(quick, rapid, nimble, speedy) |
| expeditive(adjective, quick, rapid, nimble) |
| flying(quick, rapid, nimble, speedy) |
| hairtrigger(adjective, quick, rapid, nimble) |
| hypersonic(adjective, quick, rapid, nimble) |
| ignited(adjective, white, glowing, fiery) |
| in a jiffy(expression, adjective, idiom, quick) |
| in flames(expression, adjective, white, glowing) |