開

to open a business

start of a match; beginning of a game; kickoff

excuse; explanation; justification; defense; defence

uncivilized; uncivilised; primitive; savage

undeveloped (land); unexplored (territory, field, etc.)

unbloomed (flower)

rise of the curtain; opening of a play

beginning (e.g. of an era); start; opening (of a tournament, festival, etc.)

rapid development; rapid unfolding

to leave space (between)

to open a path

to have time free; to have time to spare

redevelopment

to open some distance (e.g. with other people)

to open up a path; to clear a path

to open up doors; to pave the way

public execution

Colloquial

public embarrassment

evacuation (to the country)

spreading out (troops); deployment; dispersal

incision; operation; section

to break up (e.g. a meeting); to call it a night

research and development; R&D

private; non-public; secret; closed-door; closed

opening (of a bottle); broaching

beginning; opening; commencement (e.g. of sales); first sale

to achieve enlightenment; to attain enlightenment

to pull open

to spread one's legs

Colloquial; Idiomatic expression

to agree to have sex (for a woman)

to show one's privates

Common noun

double doors (opening from the centre)

Nouns which may take the genitive case particle 'no'

double-opening from the centre (of doors, casement windows, etc.)

Common noun; Food, cooking

filleting fish, chicken, etc. with a central cut and peeling back the flesh