むだづか無駄遣mudazukaいiむだづか無駄使mudazukaいi
1.
The act of spending resources, particularly money, on things that are unnecessary or provide little to no value, resulting in wastefulness.
2.
The practice of using financial assets excessively or in a manner that does not contribute to worthwhile outcomes, often leading to economic inefficiency.
3.
The behavior of allocating funds to items or activities that do not yield significant benefits, highlighting a lack of prudence in financial decision-making.
Example:
なんてひどいむだ使いでしょう。