Samraworld Dictionary
(1)
Verb
To lose (something, such as an advantage or opportunity) through negligence, incompetence or inaction.
過失、無能、または怠慢によって（利点や機会などの何か）失うこと。
Examples
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He squandered all the money he inherited on booze and women.彼は酒と女に相続したお金をすべて浪費した。