Word.ws English Dictionary

closed source

closed source is the alternative spelling of closed-source.

Meaning of closed-source

Adjective

closed-source (not comparable)

  1. Whose constituent makeup, or source code, is not made publicly available.

Noun

closed source (uncountable)

  1. Software whose source code is not made publicly available.

Questions about closed source

What does closed source mean?
Closed source means software whose source code is not made publicly available.
What is closed source the alternative spelling of?
Closed source is the alternative spelling of closed-source.
What part of speech is closed source?
Closed source is a noun.

Words near closed source in the dictionary

  1. closed seasons
  2. closed set
  3. closed sets
  4. closed shop
  5. closed shops
  6. closed source
  7. closed species
  8. closed syllable
  9. closed syllables
  10. closed system
  11. closed systems

Source and license

Adapted from Wiktionary: closed source (page history and authors); closed-source (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Cite this entry: “closed source.” Word.ws, https://word.ws/closed_source. Based on Wiktionary, CC BY-SA 4.0.