Closed-source

adj

adj ·Rare ·Advanced level

Definitions

Adjective

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

Synonyms

Antonyms

open open-source

Etymology

From closed + source, in reference to source code.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.