national debt national climatic data center • national debt ceiling · · · Info · Definitions · Characters · · national debt · · Text Common · · Latin · · Scripts 13 · · Length 4 · · Syllables Definitions · · · (noun) the debt of the national government (as distinguished from the debts of individuals and businesses and political subdivisions). Synonyms: national debt. · · Noun Definition 1 Characters · · space U+0020 a latin small letter a U+0061 b latin small letter b U+0062 d latin small letter d U+0064 e latin small letter e U+0065 i latin small letter i U+0069 l latin small letter l U+006C n latin small letter n U+006E o latin small letter o U+006F t latin small letter t U+0074