free

Not imprisoned or enslaved.

Unconstrained by timidity or distrust

Generous; liberal.

(obsolete) Clear of offence or crime; guiltless; innocent.

Without obligations.

Thrown open, or made accessible, to all; to be enjoyed without limitations; unrestricted; not obstructed, engrossed, or appropriated; open; said of a thing to be possessed or enjoyed.

Not arbitrary or despotic; assuring liberty; defending individual rights against encroachment by any person or class; instituted by a free people; said of a government, institutions, etc.

(software) With no or only freedom-preserving limitations on distribution or modification.

(software) Intended for release, as opposed to a checked version.

Obtainable without any payment.

(by extension, chiefly advertising slang) complimentary

(mathematics) Unconstrained by relators.

(mathematics, logic) Unconstrained by quantifiers.

(programming) Unconstrained of identifiers, not bound.

(linguistics) (of a morpheme) That can be used by itself, unattached to another morpheme.

Unobstructed, without blockages.

Unattached or uncombined.

Not currently in use; not taken; unoccupied.

(botany, mycology) Not attached; loose.

(military) Of a rocket or missile: not under the control of a guidance system after being launched.

Without; not containing (what is specified); exempt; clear; liberated.

(dated) Ready; eager; acting without spurring or whipping; spirited.

(dated) Invested with a particular freedom or franchise; enjoying certain immunities or privileges; admitted to special rights; followed by of.

(UK, law, obsolete) Certain or honourable; the opposite of base.

(law) Privileged or individual; the opposite of common.