英和和英

something to be opened

come open suddenly

It opens.

to extract the square root （of a number）

slightly open

to shut something that has been open

not open

to dodge

The door is open.

The curtain rises

The door has opened

of an object, to open

to hold a meeting

shut

be wide open

to make a beginning―pave the way for something

to break the seal―（みだりに開封するの意味なら）―tamper with the seal

the state of something that was closed being opened

not open

to clear waste land―reclaim waste land

cause to open or to become open

open ranks

to close something that is open

A bud unfolds itself.

Open up your mind.

The gate opens.

the act of opening something that has been closed

It won't open.

to open one's mouth

His mouth is open