[paulddraper]

"Free software" is not defined merely by dictionary definitions of "free" or "liberty".

For example, people are not free to create derivative works and not share them.

I'm not saying "free software" is an improper phrase, just there is more nuance than you imply.

[belorn]

Both the free software and open source definition require that you can create derivative work and share them. That freedom depends on the restraint of the author to use copyright law to persecute them under copyright law, or digital restrictions through DRM.