| reckless |
| recklessness(noun, drive, press, rush, dash) |
| resourceful(adjective, energetic, daring, innovative, ingenious) |
| running |
| rush(noun, drive, press, dash, speed) |
| scamper(noun, drive, press, rush, dash) |
| scarlet |
| scramble(noun, drive, press, rush, dash) |
| scurry(noun, drive, press, rush, dash) |
| scuttle(noun, drive, press, rush, dash) |
| self-starting(adjective, energetic, daring, resourceful, innovative) |
| slaving(adjective, lively, active, busy, occupied) |
| snowed(adjective, lively, active, busy, occupied) |
| spark plug(expression, adjective, energetic, daring, resourceful) |
| speed(noun, drive, press, rush, dash) |
| speediness(noun, haste) |
| speeding(verb, hastening) |
| speedy |
| spirited(adjective, energetic, lively, daring, resourceful) |
| spurring(verb, hastening) |