“Free” as in “freedom”.

----
“Free” as in “speech”.

----
“Free” as in “beer”.

----
“Free” as in “gift”.

----
“Free” as in “included in the purchase price”.

----
“Free” as in “offer”.

----
“Free” as in “iPad”.

----
“Free (to)” as in “allowed (to)”.

----
“Free” as in “freestyle”.

----
“Free” as in “flowing”.

----
“Free” as in “radical”.

----
“Free” as in “time”.

----
“Free” as in “Richard Stallman”.

----
“Free” as in “Van Lindberg”.

----
“Free” as in [“mattress”](https://twitter.com/bcrypt/status/882335805741555712).