Synonyms of 'spendthrift'
Was he a prodigal or a miser?
a wastrel who squandered his entire fortune
wastefulDictionary, extravagant, prodigal
his father's spendthrift ways
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his extravagant lifestyle
not provident; thriftless, imprudent, or prodigal
Thesaurus for spendthrift from the Collins English Thesaurus
If you call someone a spendthrift , you mean that they spend too much money.