締

JŌYŌ KANJI · Secondary school

tighten

tighten · tie · shut · lock

15 strokesRadical 120U+7DE0
01

Readings

Official Jōyō readings in table order

On’yomi 音読み

テイ

Kun’yomi 訓読み

しまるしめる

Additional readings in the learning dataset

On’yomi

None listed in this source.

Kun’yomi

し.まりし.めじ.め

These are outside the official Jōyō list above. A listed reading is not necessarily common in modern use.

02

Origin and meaning

Tight binding developed into tightening, tying, closing, and formally concluding an agreement.

Earlier sense recorded in the sourceto bind tightly with thread
Meanings in the learning dataset todaytighten · tie · shut · lock

Read the source entry ↗

03

Written form

No parenthesized form is given in the official Jōyō index for this character.

Dictionary radical糸いと · thread / silk
Stroke count15May vary for alternate forms.
UnicodeU+7DE0Modern character encoding, not an origin date.

Compare manuscript and printed examples in the HNG historical glyph archive ↗. Where available, its dated samples document written forms; they do not establish the first use of this character in Japan.

04

Examples in the official table

  • 締結
  • 締まる,締まり
  • 締める,締め切る,引き締め

Official notes

  • ⇔閉まる,絞まる
  • ⇔閉める,絞める
05

When did it enter Japanese?

Chinese characters reached Japan through a long process of contact. Early inscribed objects and sixth-century Japanese names are documented; this is context for the writing system, not a first date for 締.

締 appears in the current Jōyō kanji table published on 30 November 2010. This records modern standard status, not the date the character was first used in Japan.

A dated first Japanese use for 締 has not been verified in the sources attached to this entry.

Agency for Cultural Affairs: writing history ↗ · 2010 Jōyō notice ↗

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