KanjiKanaRadicalsReadingGrammarDictionary
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開

open
Stroke count: 12

Readings

On readingカイ
Kun readingひら.く、ひら.き、-びら.き、ひら.ける、あ.く、あ.ける
JōyōGrade 3
  1. to open
  2. to undo
  3. to unseal
  4. to unpack
  5. to bloom

Popular Usage

開く開ける開始開会開通開放開催開拓開発

Radicals and components

Radical門gateComponents

Mnemonic (RtK)

ⓘ

gates · two hands

From "Remembering the Kanji" by James Heisig · Frame 1750

Compound words

開くひらく
to open; to undo; to unseal; to unpack; to bloom
開くあく
to open (e.g. doors); to open (e.g. business, etc.); to be empty; to be vacant; to be available
開けるあける
to open (a door, etc.); to unwrap (e.g. parcel, package); to unlock; to open (for business, etc.); to empty
開けるひらける
to open out (of a view, scenery, etc.); to spread out; to become clear (of a road, visibility, etc.); to open up; to improve (of luck, prospects, etc.)
開始かいし
start; commencement; beginning; initiation
開会かいかい
opening of a meeting
開通かいつう
opening (of a new road, railway, etc.); going into operation (e.g. telephone communication); beginning services; reopening (e.g. of a road to traffic); resumption of services
開放かいほう
opening (a door, window, etc.); leaving open; opening up (e.g. to the public); allowing (public) access
開催かいさい
holding (a conference, exhibition, etc.); opening; hosting (e.g. the Olympics)
開拓かいたく
reclamation (e.g. of wasteland); cultivation; development; pioneering; opening up (e.g. of a new market)
開発かいはつ
development; cultivation; application; exploitation (of resources)
開演かいえん
curtain raising; starting (e.g. play, concert)
開花かいか
flowering; blooming; blossoming; coming into bloom; flowering (of a civilization, talent, etc.)
開館かいかん
opening (for that day's business; of a library, museum, cinema, etc.); opening (of a new library, museum, cinema, etc.)
開業かいぎょう
opening a business; opening a practice
開局かいきょく
opening (of a broadcasting station, post office, bureau, etc.); establishment
開口かいこう
opening; aperture (e.g. camera); opening one's mouth; beginning to speak; open
開校かいこう
opening a school
開港かいこう
opening a port (seaport, airport, etc.); starting operations at a port; opening a port to foreign vessels or trade
開墾かいこん
cultivating new land; clearing; reclamation
開示かいじ
release (of information, documents, etc.); disclosure; display; discovery
開城かいじょう
surrender of a castle; surrender of a fortress; capitulation of a stronghold
開場かいじょう
opening (the doors of a venue); inauguration (of a new building, facility, etc.)
開設かいせつ
establishment; opening; setting up; inauguration

Stroke Order

12 strokes

Practice Writing

Practice Writing 開

Draw with a guide, then from memory — checked at every step

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