あっというまに (translations)→ fast immediately quicksilver
あっという間に (translations)→ instantly quickly swiftly
あわただしく (translations)→ fly hastily hurry restively
さっと (translations)→ abruptly brief briefly briskly casually effectually fling lightly quick severely sharp sharply suddenly swing whisk
すっかり (translations)→ absolutely all already altogether anew awful certainly completely deep deeply dramatically drastically dreadfully easily every everything exactly extremely fairly finally forever freely full fully genuinely hopelessly indeed late much nicely noticeably perfectly quite real really ridiculously seriously severly significantly simply so splendidly spoil stone sufficiently superfluous terribly totally unmitigated very well whole
すっと (translations)→ clear irresistibly revived slip
せかせかと (translations)→ busily jauntily nervous nervously urgently
たちまち (translations)→ directly immediate instantaneous momentarily outright promptly right short soon speedily sudden
どんどん (translations)→ aggressively constantly eagerly fair good gradually increasingly keep steadily
みるみる (translations)→ perceptibly visibly
