Culminating and First class

First class and culminating are semantically related In some cases you can use "First class" instead an adjective "Culminating".

Nearby Words: culmination, culminate, culminated

First class noun - Mail that includes letters and postcards and packages sealed against inspection.

Culminating and first class are semantically related in best topic. Sometimes you can use "Culminating" instead an adjective phrase "First class", if it concerns topics such as top, most excellent.