1.
Someone who is ~ spends more money than they can afford or uses more of something than is reasonable.
We are not ~; restaurant meals are a luxury and designer clothes are out...
ADJ
~ly
Jeff had shopped ~ly for presents for the whole family.
ADV: ADV with v
2.
Something that is ~ costs more money than you can afford or uses more of something than is reasonable.
Her Aunt Sallie gave her an uncharacteristically ~ gift...
...her ~ lifestyle.
ADJ
~ly
By supercar standards, though, it is not ~ly priced for a beautifully engineered machine.
ADV: ADV adj/-ed
3.
Extravagant behaviour is extreme behaviour that is often done for a particular effect.
He was ~ in his admiration of Hellas...
They may make ~ shows of generosity.
ADJ
~ly
...~ly bizarre clothes.
ADV: ADV with v, ADV adj
4.
Extravagant claims or ideas are unrealistic or impractical.
They have to compete by adorning their products with ever more ~ claims...
Don’t be afraid to consider apparently ~ ideas.
= wild
ADJ: usu ADJ n disapproval