1. to spend money excessively or wastefully; to be lavish or luxurious in expenditure
She tends to be extravagant when shopping for clothes.
Ela tende a ser extravagante quando compra roupas.
2. to be elaborate, showy, or excessive in behavior or style
His fashion choices are deliberately extravagant and attention-grabbing.
Suas escolhas de moda são deliberadamente extravagantes e chamam atenção.
3. to exceed reasonable limits; to be immoderate
Don't be extravagant with your budget if you want to save money.
Não seja extravagante com seu orçamento se quiser economizar dinheiro.