First-class — synonyms, definition

1. first-class (Adjective)

amazeballs awesome beaut excellent fantabulous splendid top-drawer

first-class (Adjective) — Very good;of the highest quality. ex. "a first-class mind"

2. first-class (Noun)

1st class 1st-class mail first-class mail

first-class (Noun) — The highest rank in a classification.

first-class (Noun) — Mail that includes letters and postcards and packages sealed against inspection.

first-class (Noun) — The most expensive accommodations on a ship, train or plane.

accommodation high quality mail superiority correspondence

3. first-class (Adverb)

first-class (Adverb) — By first class conveyance; with first class accommodations. ex. "we always travel first class"