Entry
  1. Adverb (fukushi), Adverb taking the 'to' particle

    lightly and smoothly (of movements); swiftly; glidingly

    Onomatopoeic or mimetic word

    ヤンマがすいすいと水の上を進んでいた。
    The dragonfly was skimming across the water.
  2. (progressing) smoothly; (solving) easily

    Onomatopoeic or mimetic word

Also written すいすい

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