first-class
- s very good; of the highest quality
a first-class mind
- He favored lowering first-class postage to 8 while sharply raising rates by 122% for second class (newspapers, magazines) and 67.
- Starting April 1, Canada will send all first-class out-of-town mail by air.
- Some first-class dropouts When Sir Freddie Laker inaugurated his no-frills, low-fare transatlantic flights in 1977, Europe's flagship airlines viewed the.