If something is fungible, you can exchange it for something else. Why is it that you can trade a twenty dollar bill for a ten and two fives? Because money's fungible!

The “g” in fungible is pronounced like a “j” or like the “g” in “fudge,” though fungible things aren't always tasty. Fungible comes from a Latin phrase meaning “to serve in place of” and that's what something that's fungible does: serves in place of what it's exchanged for.

Definitions of fungible

adj of goods or commodities; freely exchangeable for or replaceable by another of like nature or kind in the satisfaction of an obligation

suitable to be exchanged

n a commodity that is freely interchangeable with another in satisfying an obligation

Type of:
commodity, good, trade good
articles of commerce

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