Entry
  1. Adverb (fukushi), Suru verb

    heavily; profoundly

    Onomatopoeic or mimetic wordsee ずっしり

    この箱、持ち上げるとズシッと重いね。中に何が入ってるんだ。
    This box weighs a ton. What's inside?

Also written ズシッと

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