uneconomicalPronunciation: /ˌʌniːkəˈnɒmɪk(ə)l, ˌʌnɛkə-/Translate uneconomical | into French | into German | into Italian | into Spanish Definition of uneconomical adjective wasteful of money or other resources; not economical:the old buses eventually become uneconomical to runDerivatives uneconomically adverb uneconomical in other Oxford dictionaries Definition of uneconomical in the US English dictionary