IPA: //ˈsuːpərˌlaɪnər//
KK: /ˈsuːpərˌlaɪnər/
A type of train car or ship that offers more space and comfort than standard options, often used for luxurious travel.
The superliner provided an unforgettable experience with its spacious cabins and fine dining.
Superliner → It is formed from "super-" (meaning above or beyond) and "liner" (from the word 'line', meaning a vessel or ship). The word "superliner" refers to a ship that is above or beyond the standard size or luxury of typical liners.
Think of a ship that is 'above' ('super-') the usual 'line' of ships in terms of size or luxury — that's what a superliner is.