What is an antonym of extravagance?

There are many antonyms for extravagance depending on the specific context, but some common ones include:

General antonyms:

* Simplicity

* Modesty

* Frugality

* Sparingness

* Thrift

* Economy

* Sobriety

* Austerity

More specific antonyms:

* Prudence (opposite of reckless spending)

* Parsimony (opposite of excessive spending)

* Frugalness (opposite of wasteful spending)

* Minimality (opposite of elaborate spending)

The best antonym for "extravagance" will depend on the specific situation and the intended meaning.