What is the meaning of Closed?

Sealed, made inaccessible or impassable; not open.

To be in a position preventing fluid from flowing.

To be in a position allowing electricity to flow.

Not operating or conducting trade.

Not public.

Having an open complement.

Such that its image under the specified operation is contained in it.

Lacking a free variable.

Whose first and last vertices are the same, forming a closed loop.

Formed by closing the mouth and nose passages completely, like the consonants /t/, /d/, and /p/.

Having the sound cut off sharply by a following consonant, like the /ɪ/ in pin.

Having component words joined together without spaces or hyphens; for example, timeslot as opposed to time slot or time-slot.

Synonym of close

simple past and past participle of close

Alternative form of closet

Source: wiktionary.org