IPA: //ˈsuːpərˌlʌkʃəri//
KK: /ˈsuːpərˌlʌkʃəri/
Extremely luxurious, offering the highest level of comfort and quality.
The hotel is known for its superluxury accommodations and exceptional service.
A type of luxury that is extremely high-end and exclusive, often available only to a select group of people.
The new resort offers superluxury accommodations that cater to the wealthiest travelers.
Superluxury → It is formed from "super-" (meaning above or beyond) and "luxury" (from Latin "luxuria", meaning excess or extravagance). The word "superluxury" refers to a state of luxury that is above and beyond the usual standards of extravagance.
Think of something that is 'beyond' ('super-') regular 'extravagance' ('luxury') — that's why superluxury means an extraordinary level of luxury.
No commonly confused words.