squander
🇺🇸
/ˈskwɑːndər/
🇬🇧
/ˈskwɒndə(r)/
To use something carelessly or unwisely, especially in a way that it is not fully appreciated or is lost.
She squandered her inheritance on unnecessary luxuries.
彼女は不必要な奢侈品に遺産を無駄に使いました。