| excitable(adjective, upset, nervous, emotional, volatile) |
| fiery(adjective, nervous, emotional, restless, volatile) |
| handy(adjective, good, smooth, smart, bright) |
| hastily(adverb, early, quickly, rapidly, instantly) |
| irritable(tetchy, snippy, character trait) |
| live(verb, adjective, active, flexible, living) |
| masterly(adjective, smooth, sharp, skill, cunning) |
| on the ball(expression, adjective, idiom, smooth, sharp) |
| percipient(adjective, understanding, cool, keen, sharp) |
| petulant(adjective, irritable, tetchy, snippy, irascibility) |
| proficient(adjective, light, smooth, smart, skill) |
| resourceful(adjective, good, keen, sharp, smart) |
| short-lived(adjective, summary, rapid, instant, transient) |
| swiftly(adverb, quickly, rapidly, soon, snappily) |
| temporary(adjective, time, transient, transitory, short-lived) |
| timely(adjective, prompt, exact, responsive, flexible) |
| transient(adjective, time, transitory, short-lived) |
| unanticipated(adjective, violent, fast, immediate, unexpected) |
| unforeseen(adjective, violent, fast, abrupt, hasty) |
| urgent(adjective, prompt, fast, hasty, immediate) |