Dominant and First class

Dominant adjective - Coming before all others in importance.

First class and dominant are semantically related In some cases you can replace phrase "First class" with "Dominant", this terms are similar.

Nearby Words: dominate, dominion, dominance, domination, dominated

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

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