Ida id • Idaean · · · Info · Definitions · Characters · · Ida · · Text Latin · · Script 3 · · Length Definitions · · · (noun) an agency of the United Nations affiliated with the World Bank. Synonyms: International Development Association, IDA. · · Noun Definition 1 Characters · · I latin capital letter i U+0049 a latin small letter a U+0061 d latin small letter d U+0064