na-adjective, noun
uneconomical; wasteful
Describes something that is not cost-effective or uses resources inefficiently. Often used in formal or business contexts.
この計画は不経済なので見直す必要がある。
This plan is uneconomical, so we need to review it.
不経済な使い方をやめて、もっと効率的にしよう。
Let's stop wasteful usage and be more efficient.
Means 'waste' or 'futility' in a broader sense, while 不経済 specifically refers to economic inefficiency.
Formed from the prefix 不 (fu-, 'not') and 経済 (keizai, 'economy'), literally meaning 'not economical'.