| intelligent |
| mushroom(noun, growth, fast, rapid) |
| on-the-spot(adverb, speed, fast, quick, rapid) |
| overgrowth(noun, growth, fast, rapid) |
| right now(adverb, speed, fast, quick, rapid) |
| skyrocketing(noun, growth, fast, rapid) |
| straight(adverb, speed, fast, quick, rapid) |
| straight away(adverb, speed, fast, quick, rapid) |
| suddenly(adverb, speed, fast, quick, rapid) |
| swift(noun, speed, fast, bird) |
| swiftly(adverb, speed, fast, rapid) |
| upsurge(noun, growth, fast, rapid) |
| active(adjective, speed, fast, rapid, pace) |
| abounding(adjective, speed, fast, rapid, pace) |
| accelerate(adjective, speed, fast, rapid, pace) |
| accelerated(adjective, speed, fast, rapid, pace) |
| acute(adjective, speed, fast, rapid, pace) |
| alive(adjective, speed, fast, rapid, pace) |
| animated(adjective, speed, fast, rapid, pace) |
| astonishing(adjective, speed, fast, rapid, pace) |