英和和英

open

Open.

an unsealed letter

to open (something) completely

open‐minded

to open and shut

slightly open

to feel relieved―feel relief

not open

not open

to open a gate

It opens.

something to be opened

a hinged door

open formally

to open up

to close a banquet―（西洋なら）―go to the drawing-room

to extract the square root （of a number）

come open suddenly

become closed

to be stumped by something or someone

the state of something that was closed being opened

to open (something) to excess

being completely open

of a thing, to open to its full width

become open

to open the gate

The door is open.

(of a door) left open

The gate opens.