free
for free without cost or payment; free of charge. informal
1957Godfrey SmithThe Friends Back home we pay if we're ill…You don't expect to be ill for free.
free and easy informal and relaxed.
free, gratis, and for nothing without charge. humorous
a free hand freedom to act at your own discretion.
free rein: seerein.
a free ride used to refer to a situation in which someone benefits without having to make a fair contribution.
home free: seehome.
it's a free country said when asserting that a course of action is not illegal or forbidden, often in justification of it.
make free with treat without ceremony or proper respect; take liberties with.
there's no such thing as a free lunch: seelunch.
walk free be released from custody having been exonerated.
☞ The expression is often used with the underlying implication that the person concerned did not deserve release.
2013The Age (Melbourne) It's a decision that sees him still in jail after his co-accused walked free on parole in 2004.