印章|いんしょうinshou[0]heiban (flat)

1. no-adjectivestamp; seal

• Synonym印鑑いんかんNeutralThe everyday word for paperwork: 「印鑑を押す」. Also means a registered seal (「印鑑登録」); 「印章」 is the formal name for the object.
• SynonymはんこCasualThe casual everyday word, e.g. 「ここにはんこを押して」; far more colloquial than 「印章」.
• SynonymスタンプNeutralLoanword mostly for rubber stamps and commemorative stamps, also stickers in chat apps; more casual, not a formal term like 「印章」.
• Synonym印いんNeutralA mark or sign; broad in range and not specific to seals. Read 「しるし」.
• Synonym刻印こくいんNeutralEngraving characters, or the engraved mark itself; figuratively, an impression left deep in the mind.
• Synonym判はんNeutralA current word for a seal, a bit colloquial; common in 「判を押す」 and 「三文判」.
• Synonym印形いんぎょうWrittenOld-fashioned word for a seal or the impression it leaves; rarely used today, with 「はんこ」 the usual spoken choice.
• Synonym印判いんばんWrittenAn old name for a seal, rare even in writing; means the same as 「印章」 but is hardly ever used today.
• Synonym印顆いんかWrittenA Sino-Japanese term for a seal, extremely rare and only occasionally seen in writing; same meaning as 「印章」, with 「はんこ」 the everyday word.
• RelatedしるしNeutralA mark or sign; broad in range and not specific to seals. Read 「しるし」.
• Related消印けしいんNeutralA postmark or cancellation mark on stamps and revenue stamps; also a stamp on documents marking deletion. The mark made, not the seal itself.
• Related封印ふういんNeutralA seal or sealing strip on an envelope's closure; figuratively, sealing something away. Emphasis is on closing things up.
• Related押捺おうなつWrittenThe act of stamping or affixing a seal, mostly in official documents such as 「指紋押捺」.
• Related極印ごくいんWrittenA stamp pressed to certify authenticity or quality; by extension an indelible stigma. Not a personal seal.
• Related押し手おしてWrittenThe tool for stamping documents, i.e. a seal; extremely rare. Also the left hand pressing koto strings. Say 「はんこ」 in daily life.

In everyday speech a stamp is 「はんこ」, or 「判」 in set phrases like 「判を押す」; for paperwork and registration use 「印鑑」. 「印章」 is the formal name, seen mainly in legal and official documents. For postmarks use 「消印」; 「印形」「印判」「印顆」 are old or rare.

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

1. 印しるし。判はん。印形いんぎょう。