あわてて (translations)→ breathlessly confusion eventually frantic hastily hasty hurriedly quickly retreat rush suddenly wildly
いきなり (translations)→ abruptly beginning bluntly directly fast freely impulsively instant instantly leap new out-of-the-blue outright point-blank pointblank sudden unannounced violently
さっさと (translations)→ briskly early immediately just pronto quick simply soon thoughtlessly
さっそく (translations)→ present right straight swiftly very
すかさず (translations)→ already automatically simultaneously smoothly
すぐさま (translations)→ immediate then
そそくさと (translations)→ precipitously scurry scuttle uneasily
たちまち (translations)→ briefly completely instantaneous momentarily rapidly short speedily
てきぱきと (translations)→ brisk expertly promptness rapid sharp
急いで (translations)→ smartly swift
手際よく (translations)→ competently daintily deftly dexterously effectually efficiently fine neatly skillfully well
言下に (translations)→ flat flatly readily second thought