English noun: first class | |||
| 1. | first class (attribute) the highest rank in a classification | ||
| Broader (hypernym) | high quality, superiority | ||
| 2. | first class (communication) mail that includes letters and postcards and packages sealed against inspection | ||
| Synonyms | 1st class, 1st-class mail, first-class mail | ||
| Broader (hypernym) | |||
| Narrower (hyponym) | correspondence | ||
| 3. | first class (artifact) the most expensive accommodations on a ship or train or plane | ||
| Broader (hypernym) | accommodation | ||
English adverb: first class | |||
| 1. | first class by first class conveyance; with first class accommodations | ||
| Samples | We always travel first class. | ||