The dictionary defines fungible as:
- Returnable or negotiable in kind or by substitution, as a quantity of grain for an equal amount of the same kind of grain.
- of goods or commodities; freely exchangeable for or replaceable by another of like nature or kind in the satisfaction of an obligation
Synonyms: changeable, commutable, compatible, converse, convertible, equivalent, exchangeable, interconvertible, mutual, reciprocal, reciprocative, same, substitutable, synonymous, workalike
“People think this tax is for Social Security. But tax monies are really fungible. They get raided all the time.”
— Eugene Ludwig