| non-stop |
| speeded up(verb, expression, adjective, phrasal verb, demanding) |
| fleet(adjective, hot, fast, quick, rapid) |
| abrupt(adjective, fast, quick, hasty, swift) |
| active(adjective, hot, fast, quick, nimble) |
| acute(adjective, sudden) |
| amplified(verb, intensified, heightened, worsened) |
| animated(adjective, fast, rapid, swift) |
| breakneck(prompt, hot, fast, quick, speedy) |
| enlarged(verb, adjective) |
| expeditive(hot, fast, quick, speedy, brisk) |
| flashing(adjective, hot, quick, rapid, speedy) |
| fleeting(adjective, hot, quick, rapid, speedy) |
| flying(hot, fast, quick, speedy, brisk) |
| furthered(verb, expedited) |
| headlong(adjective, prompt, fast, quick, abrupt) |
| heightened |
| high-speed(adjective, direct, express, fast, quick) |
| immediate(adjective, prompt, fast, quick, rapid) |
| impetuous(adjective, fast, quick, abrupt, hasty) |