Closed
Definition, Meaning & Examples
Pronunciation /kləʊzd/ · Part of speech adjective
Quick meaning: Closed is an adjective meaning Physically obstructed, sealed, etc.
Meaning
Physically obstructed, sealed, etc.
More Meanings
- Not available for operation, participation, interaction, etc.
- Completed, finalised.
- (topology, of a set) Having an open complement.
- (mathematics, of a set) Such that its image under the specified operation is contained in it.
- (mathematics, logic, of a formula) Lacking a free variable.
- (geometry, of a curve) Lacking endpoints. For parametric curves, with the same image for the ends of the domain.
- (geometry, of a surface) Lacking a boundary.
Example Sentences
The set of integers is closed under addition: #92;forallx,y#92;in#92;mathbb#123;Z#125;,#92;,x#43;y#92;in#92;mathbb#123;Z#125;.
Synonyms for closed
Depending on context, synonyms include shut, close, drawn, tight, enclosed, restricted.
Antonyms for closed
Common opposites include open, opened.
Related Words
Related dictionary entries include blocked, shut, restricted, inactive, tight, compressed.
Related Dictionary Tools
Sources & Attribution
FreeDictionaryAPI.com / Wiktionary · Original source · CC BY-SA 4.0
Dictionary data is provided by FreeDictionaryAPI.com and sourced from Wiktionary under its stated license.