How to say "bouncing" in Japanese

• 不渡りふわたりCommon
  nounCovers only the financial sense: the dishonour or non-payment of a bill or cheque, as in English 'a bounced cheque'. A banking term, never used for physical bouncing.
  この小切手こぎっては不渡ふわたりになりました。↗

  This check was not honored.
• ぷるぷる
  adverb (with と), suru verbCovers the physical sense: the jiggling, wobbling bounce of something soft, such as pudding or flesh. A less common onomatopoeic word, never the word for a bounced cheque.

Use 「不渡り」 only for the financial sense, a cheque or bill that bounces because it is dishonoured or unpaid; 「ぷるぷる」 is the onomatopoeic word for something soft physically jiggling, wobbling or bouncing.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

• 不渡りふわたりdishonouring (a bill)
• ぷるぷるjiggling