uneconomicalness/ˌʌnɛkəˈnɑmɪkəlnəs/EtymologyFrom un- + economical + -ness.uneconomicalness means the quality of being uneconomical. Lexicurio rates it Rare gem — a strength score of 82 out of 100.uneconomicalness is pronounced /ˌʌnɛkəˈnɑmɪkəlnəs/.nounThe quality of being uneconomical.