• (RP) IPA: /kləʊzd/
• (America) IPA: /kloʊzd/

closed (not comparable)

1. Sealed, made inaccessible or impassable; not open.

   A closed and locked door prevented my escape.

   • 2005, Pamela J. Carter, Susan Lewsen, Lippincott's Textbook for Nursing Assistants, page 277:

     When the top sheet, blanket, and bedspread of a closed bed are turned back, or fanfolded, the closed bed becomes an open bed, or a bed ready to receive a patient or resident.

2. (engineering, gas and liquid flow, of valve or damper) To be in a position preventing fluid from flowing.
3. (electricity, of a switch or circuit breaker) To be in a position allowing electricity to flow.
4. (of a store or business) Not operating or conducting trade.
5. Not public.

   closed source  a closed committee  The bill is being considered by the committee in closed session.

6. (topology, of a set) Having an open complement.
7. (mathematics, of a set) Such that its image under the specified operation is contained in it.

   The set of integers is closed under addition: \forall x,y\in\mathbb{Z}\,x+y\in\mathbb{Z}.

8. (mathematics, logic, of a formula) Lacking a free variable.
9. (graph theory, of a walk) Whose first and last vertices are the same, forming a closed loop.
10. (phonology) Formed by closing the mouth and nose passages completely, like the consonants /t/, /d/ and /p/.
11. (phonology) Having the sound cut off sharply by a following consonant, like the /ɪ/ in pin.
12. (of a multi-word compound) Having component words joined together without spaces or hyphens; for example, timeslot as opposed to time slot or time-slot.

• shut

• (antonym(s) of “also phonetics (of vowels, syllables)”): open

• French: fermé
• German: geschlossen, zu
• Italian: chiuso
• Portuguese: fechado
• Russian: закры́тый
• Spanish: cerrado

• German: zu
• Portuguese: fechado
• Spanish: cerrado

• French: privé, fermé
• German: nicht öffentlich (of people or software); geschlossen (used with groups of people only)
• Portuguese: fechado
• Russian: закры́тый

• Russian: за́мкнутый

• Russian: за́мкнутый

1. Simple past tense and past participle of close