Japanese

あく
Meaning: to open (e.g. door); to become vacant; to be open (business)
Part of Speech: Verb

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Verb inflections

Form Affirmative Negative
Present 開く 開かない
Polite 開きます 開きません
Past 開いた 開かなかった
Polite + Past 開きました 開きませんでした
Te-form 開いて 開かなくて
Potential 開ける 開けない
Passive 開かれる 開かれない
Causative 開かせる 開かせない
Causative + Passive 開かされる 開かされない
Imperative 開け 開くな

Example sentences

風で窓が静かに開いた。
The window opened quietly in the wind.
その店はもう開いている
That shop is already open.
重い扉がゆっくりと開いた。
The heavy door opened slowly.
この店は午後八時に閉まりますが、隣のコンビニは二十四時間開いています。
This shop closes at 8:00 p.m., but the convenience store next door is open 24 hours.
この扉は人が近づくと自動的に開きます。
This door opens automatically when a person approaches.

Usage Notes

Used when something that was closed (like a door, window, or container) opens. It can also mean a shop starting its business hours or a seat becoming available.

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