For example, imagine some food company decides to make their fruits permanently free. Online, you can "order" them (for free), but in person, what do you do? What would be the professiona...

Understanding the Context

What is the opposite of free as in "free of charge" (when we speak about prices)? We can add not for negation, but I am looking for a single word. In the context such as "free press", it means libre from censorship, "gluten-free" means libre from gluten and so on. Then there is "free stuff", why is the same word used?

Key Insights

If so, my analysis amounts to a rule in search of actual usage—a prescription rather than a description. In any event, the impressive rise of "free of" against "free from" over the past 100 years suggests that the English-speaking world has become more receptive to using "free of" in place of "free from" during that period. "Free of" vs. "Free from" - English Language & Usage Stack Exchange A friend claims that the phrase for free is incorrect. Should we only say at no cost instead?

Final Thoughts

grammaticality - Is the phrase "for free" correct? - English Language ... Free ride dates back to 1880, while free loader is a more recent construction “freeloader (n.) also free-loader, by 1939, from free (adj.) + agent noun from load (v.)As a verb, freeload is attested by 1967 and probably is a back-formation from this”