| straightaway(adjective, character, specification, characterization) |
| strengthened(adjective, character, specification, characterization) |
| strenuous(adjective, speed, fast, quickly) |
| stroke of lightning(noun, light, speed, fast, quickly) |
| supersmart(adjective, character, specification, characterization) |
| surprising(adjective, character, specification, characterization) |
| thrilling(adjective, character, specification, characterization) |
| thriving(adjective, character, specification, characterization) |
| thunderball(noun, light, speed, fast, quickly) |
| thunderbolt(noun, light, speed, fast, quickly) |
| thunderstroke(noun, light, speed, fast, quickly) |
| torrent(noun, light, speed, fast, quickly) |
| trained(adjective, character, specification, characterization) |
| ultrafast(adjective, speed, fast, quickly) |
| ultrarapid(adjective, speed, fast, quickly) |
| ultrasmart(adjective, character, specification, characterization) |
| unseasonable(adjective, character, specification, characterization) |
| velous(adjective, character, specification, characterization) |
| vibrant(adjective, character, specification, characterization) |
| vigilant(adjective, character, specification, characterization) |