copyleft

Fetched 2026-10-26 (cache).

Datamuse reports no synonyms or antonyms for this word.

Noun

1. The [[philosophy]] of using [[copyright]]s to [[enforce]] [[freedom]] of [[information]], especially [[software]] [[source code]].
2. A [[software]] [[license]] that follows this philosophy.

Verb

1. {{lb|en|transitive}} To license under a copyleft license.

Source: Wiktionary · CC BY-SA 4.0 (Wiktionary dump) · cached copy, not a rewrite.