消印・消し印|けしいんkeshiin[0]heiban (flat)

1. nounpostmark; (postal) cancellation mark

• Related押捺おうなつWrittenWritten/formal prose word for the act of stamping, e.g. 「指紋押捺」; it covers pressing fingerprints or affixing seals, while 「消印」 is the mark showing use or cancellation.
• Related押印おういんNeutralNeutral term for putting one's seal on a document, as in 「署名押印」; it centres on signing paperwork, unlike the cancellation mark 「消印」.
• Antonym未消印NeutralThe antonym of 「消印」: it means not yet postmarked, i.e. no cancellation mark has been applied.

Use 「消印」 for the postmark or cancellation mark showing a stamp or revenue stamp has been used, as in 「当日消印有効」. For stamping a document say 「押印」 (「署名押印」), for pressing a fingerprint or seal 「押捺」; the opposite of 「消印」 is 「未消印」.

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

1. 書類しょるいなどで消去しょうきょした印しるしとして捺おす印しるし。
2. 切手きってや印紙いんしなどが使用しようされたことを示しめす印（スタンプ）しるし。