Pronunciation Adjective

closed (not comparable)

  1. Sealed, made inaccessible or impassable; not open.
  2. (of a store or business) Not operating or conducting trade.
  3. Not public.
    closed source  a closed committee
  4. (topology, of a set) Having an open complement.
  5. (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}.
  6. (mathematics, logic, of a formula) Lacking a free variable.
  7. (graph theory, of a walk) Whose first and last vertices are the same, forming a closed loop.
  8. (phonology) Formed by closing the mouth and nose passages completely, like the consonants /t/, /d/ and /p/.
  9. (phonology) Having the sound cut off sharply by a following consonant, like the /ɪ/ in pin.
Synonyms Antonyms
  • (also phonetics (of vowels, syllables)) open
Translations Translations Translations Translations
  • Russian: за́мкнутый
  • Russian: за́мкнутый
  1. Simple past tense and past participle of close

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