uneconomical; wasteful
Describes something that is not cost-effective or uses resources inefficiently. Often used in formal or business contexts.
This plan is uneconomical, so we need to review it.
Let's stop wasteful usage and be more efficient.
不経済 means wasteful or uneconomical, the direct opposite of 経済的 in its 'economical, thrifty' sense.
Formed from the prefix 不 (fu-, 'not') and 経済 (keizai, 'economy'), literally meaning 'not economical'.