開あく

to open (e.g. doors)

esp. 開く

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

esp. 開く

to be empty

esp. 空く

to be vacant; to be available; to be free

esp. 空く

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

esp. 明く

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

esp. 明く

to come to an end

esp. 明く

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

esp. 明く

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

to open; to undo; to unseal; to unpack

to bloom; to unfold; to spread out

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

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

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

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

to open (ports, borders, etc.)

to open (an account)

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

computing

to open (a file, etc.)

mathematics

to extract (root); to reduce (equation)

food, cooking

to cut open (fish)

as 魚を開く

to change (kanji into hiragana)

to flare (e.g. skirt)

sports

to slacken (into a poor posture)

as 体が開く, 肩が開く, etc.

usually kanago (game)

to extend

usu. ヒラく