1. A legal method of making a program or creative work free to use and modify, while requiring that all modified versions remain free and open to others.
Usage: computing; intellectual property; plural form of copyleft

1. To apply a copyleft license to a creative work or software program.
Usage: computing; third-person singular present or plural present tense

Examples

• Many open-source projects use copylefts to ensure their code remains free.
• The GPL is one of the most popular copylefts in software development.
• She copylefts her artwork so that others can remix and share it.
• Copylefts require that derivative works maintain the same freedoms as the original.
• The developer copylefts the library to encourage community contributions.
• Different copylefts have varying requirements for attribution and modification.
• By using copylefts, creators protect their work while promoting collaboration.