開く

Reading

Kana: ひらく
Romaji: hiraku
Kana
Romaji

Definitions

v5k
vi
vt
1

to open; to undo; to unseal; to unpack

2

to bloom; to unfold; to spread out

3

to open (for business, e.g. in the morning)

4

to be wide (gap, etc.); to widen

v5k
vt
5

to hold (meeting, etc.); to give; to open

6

to found (nation, dynasty, sect, etc.); to open (a new business); to set up; to establish; to start

7

to open (ports, borders, etc.)

8

to open (an account)

9

to open up (new land, path, etc.); to clear; to develop

See also: 拓く
10

to open (a file, etc.)

(Computer terminology)
11

to extract (root); to reduce (equation)

(Mathematics)
12

to cut open (fish)

(Food term)
Note: as 魚を開く
13

to change (kanji into hiragana)

v5k
vi
14

to flare (e.g. skirt)

15

to slacken (into a poor posture)

(Sports term)
Note: as 体が開く, 肩が開く, etc.

Kanji

Readings: カイ、 ひら.く、 ひら.き、 -びら.き、 ひら.ける、 あ.く、 あ.ける
Meanings: open, unfold, unseal

Example Sentences

(ほん)(ひら)くな。
➥Don't open your book.
Full Entry➤
(まぶた)(おお)きく(ひら)く。
➥An eyelid opens wide.
Full Entry➤
()(かぜ)(ひら)いた。
➥The door blew open.
Full Entry➤
ドアが(ひら)いた。
➥The door opened.
Full Entry➤
()(ひら)きなさい。
➥Open your eyes.
Full Entry➤
(もん)(いま)(ひら)いている。
➥The gate is open now.
Full Entry➤
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開く

空く、 明く

Reading

Kana: あく
Romaji: aku
Kana
Romaji

Definitions

v5k
vi
1

to open (e.g. doors)

Note: esp. 開く
2

to open (e.g. business, etc.)

Note: esp. 開く
3

to be empty

Note: esp. 空く
4

to be vacant; to be available; to be free

Note: esp. 空く
5

to be open (e.g. neckline, etc.)

Note: esp. 明く
6

to have been opened (of one's eyes, mouth, etc.)

Note: esp. 明く
7

to come to an end

Note: esp. 明く
v5k
vt
8

to open (one's eyes, mouth, etc.)

Note: esp. 明く
v5k
vi
9

to have a hole; to form a gap; to have an interval (between events)

See also: 穴が開く

Kanji

Readings: カイ、 ひら.く、 ひら.き、 -びら.き、 ひら.ける、 あ.く、 あ.ける
Meanings: open, unfold, unseal
Readings: クウ、 そら、 あ.く、 あ.き、 あ.ける、 から、 す.く、 す.かす、 むな.しい
Meanings: empty, sky, void, vacant, vacuum
Readings: メイ、 ミョウ、 ミン、 あ.かり、 あか.るい、 あか.るむ、 あか.らむ、 あき.らか、 あ.ける、 -あ.け、 あ.く、 あ.くる、 あ.かす
Meanings: bright, light

Example Sentences

(ほん)(ひら)くな。
➥Don't open your book.
Full Entry➤
(まぶた)(おお)きく(ひら)く。
➥An eyelid opens wide.
Full Entry➤
()(かぜ)(ひら)いた。
➥The door blew open.
Full Entry➤
ドアが(ひら)いた。
➥The door opened.
Full Entry➤
()(ひら)きなさい。
➥Open your eyes.
Full Entry➤
(もん)(いま)(ひら)いている。
➥The gate is open now.
Full Entry➤
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