The Open Dictionary

extravagant

adjective

UK/ɪkˈstræv.ə.ɡᵊnt/
US/ɪkˈstræv.ə.ɡᵊnt/

Definitions of extravagant adjective

  1. C2

    spending too much money, or using too much of something

    • The celebrity's extravagant lifestyle was astonishing.

    • Purchasing imported fruit out of season is quite extravagant.

    • They dined at an expensive restaurant, considering it an extravagant treat.

  2. extreme and unreasonable

    • The company made extravagant marketing claims about the new product.

    • He made extravagant promises to double my investment, but it sounded unrealistic.

    • Their extravagant confidence in their own abilities eventually led to a crushing defeat.