Other forms: extravagances
Extravagance is spending far more than is needed. A rare extravagance.
It is judged against means rather than any absolute, since a small sum can be an extravagance. The Latin behind it means wandering beyond, which is what the spending does.
1nounextravaganceSpending far more than is needed.
“The one extravagance in the whole house was the piano.”
extravagance is a spending.
Medieval Latin extravagari means to wander beyond, from extra plus vagari, to wander.
Medieval Latin
extra
French
extravagance
English, today
extravagance
Built from
French extravagance, from Medieval Latin extra + vagor (“to wander”).
Etymology from Wiktionary, CC BY-SA