(linguistic morphology) A morpheme that can carry meaning on its own, and does not require a prefix, suffix, or infix to give it meaning.

(sports) The signing of a player without paying a fee to another club.

(politics) In a Westminster parliamentary system and other democratic systems, a vote by members of a legislative body in which the members are permitted by their respective political parties to vote as they individually see fit, without direction from their political leaders.

(video games) That can be played without payment.

Yielding free gold or silver; said of certain ores that can be reduced by crushing and amalgamation, without roasting or other chemical treatment.

(linguistics, computing) Having no semantic content.

A neutron not bound in an atomic nucleus.

One who gratifies his appetites without stint; one given to indulgence in eating and drinking.

plural of free neutron

(historical) The principles of the Free Soil Party, which opposed slavery in the United States in the mid-19th century.