first-class
Meanings
- the highest rank in a classification
- mail that includes letters and postcards and packages sealed against inspection
- the most expensive accommodations on a ship or train or plane
- very good;of the highest quality;
- "made an excellent speech"
- "the school has excellent teachers"
- "a first-class mind"
- by first class conveyance; with first class accommodations;
- "we always travel first class"