This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

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adj. Not funded, as a floating debt.

adj. Not furnished with funds: an unfunded project.

adj. Not funded; having received no funding.

Not funded; floating: as, an unfunded debt. See fund, transitive verb, and funded.

adj. not furnished with funds

"The term unfunded tax cut suggests that its the government's money and the public are lucky to get some back."

floating   

funded    refunded   

non-interest-bearing    fluoridation    interest-bearing    foreign-currency    assume    rate-sensitive    mid-market    unmoderated    unwished-for    state-backed