| aloof(adjective, cool, informal, relaxed, easygoing) |
| apathetic(adjective, cool, informal, relaxed, easygoing) |
| brisk(adjective, fast, quick, rapid, speedy) |
| compact(adjective, rapid, swift, instant) |
| concise(adjective, rapid, swift, instant) |
| cool(adjective, relaxed, easygoing, laid-back, nonchalant) |
| distant |
| effortless |
| expeditious(fast, quick, rapid, speedy, swift) |
| feverish |
| fleet(adjective, fast, quick, rapid, speedy) |
| flippant |
| fly-by-night(adjective, transient, transitory, short-lived) |
| forced |
| forgetful(adjective, careless, indifferent, casual, thoughtless) |
| general(slight, detail, trivial, surface, shallow) |
| immediate(fast, rapid, swift, instant) |
| imperfect(adjective, hard, rough, raw, vague) |
| imprecise(adjective, casual, vague, unclear, random) |
| inadvertent(adjective, careless, indifferent, casual, unconcerned) |