IPA: /lʌkˈʒʊəriəsli/
KK: /lʌkˈʒʊrɪəsli/
In a way that is very comfortable and expensive, often involving great pleasure or indulgence.
She lived luxuriously in a large mansion with beautiful gardens.
Luxuriously → It is formed from "luxuria" (from Latin, meaning excess or extravagance) and the suffix "-ously" (meaning in a manner characterized by). The word "luxuriously" means in a manner characterized by excess or extravagance.
Think of 'luxury' as a state of excess, and remember that 'luxuriously' describes doing something in an extravagant way.