“Rapidly” in Japanese
Short answer
Rapidly in Japanese is “ぐんぐん” (gungun). Full meaning: rapidly, vigorously, by leaps and bounds, steadily.
Other ways to say “Rapidly” in Japanese
どしどし
doshidoshi rapidly, one after the other; without hesitation, unreservedly, freely; sound of tramping, stomping
ずんずん
zunzun rapidly, quickly, briskly, steadily, by leaps and bounds; booming (e.g. of a drum)
クンクン
kunkun rapidly, vigorously, by leaps and bounds, steadily
グングン
gungun rapidly, vigorously, by leaps and bounds, steadily
くんくん
kunkun rapidly, vigorously, by leaps and bounds, steadily
ドシドシ
doshidoshi rapidly, one after the other; without hesitation, unreservedly, freely; sound of tramping, stomping
ズンズン
zunzun rapidly, quickly, briskly, steadily, by leaps and bounds; booming (e.g. of a drum)
メキメキ
mekimeki remarkably, markedly, rapidly; sound of breaking or creaking
駸々
shinshin proceeding quickly, flying (of time), rapidly, with great strides
頓に
tomini suddenly, all at once, rapidly
にょきにょき
nyokinyoki (shooting up) one after another, (sprouting up) all over the place; (growing) rapidly
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