Definitions
1.nounAgent noun of fix; one who, or that which, fixes.
2.nounA chemical (sodium thiosulfate) used in photographic development that fixes the image in place, preventing further chemical reactions.
3.noun(criminal justice) A person who arranges immunity for defendants by tampering with the justice system via bribery or extortion, especially as a business endeavor for profit.
4.nounA person who assists foreign journalists in volatile countries, often providing interpretation, personal connections, and transportation services.
5.nounA fixer-upper.