| skilful |
| transitory(adjective, transient, short-lived) |
| unplanned(noun, adjective) |
| competent(adjective, good, cool, smart, bright) |
| fluent(adjective, articulate) |
| marrow(noun, place, cause, start, spirit) |
| on the double(expression, adjective, idiom, adverb, hot) |
| passionate(adjective, energetic, violent, lively, active) |
| precocious(adjective, smart, ahead) |
| reckless(noun, adjective, violent, fast, restless) |
| artful(adjective, smooth, smart, cunning, shrewd) |
| attentive(adjective, sharp, bright, lively, alert) |
| cute(adjective, understanding, sharp, smart, bright) |
| double-quick(adverb, summary, rapid, instant, rapidly) |
| eager(energetic, ready, active, alert, intelligent) |
| effective(adjective, smart, bright, prompt, speedy) |
| effectual(adjective, smart, bright, prompt, speedy) |
| enthusiastic(adjective, keen, intense, energetic, lively) |
| essence(noun, place, cause, start, spirit) |
| fleetly(adverb, early, quickly, rapidly, soon) |