| first | of the highest quality |
|---|---|
| first | by first-class conveyance |
| first | (Great Britain) an honours degree of the highest class |
| first | mail that includes letters and postcards and packages sealed against inspection |
| first | not accepting reservations |
| first | burn causing redness of the skin surface |
| first | someone habitually a spectator at the openings of theatrical productions |
| first | a partial correlation in which the effects of only one variable are removed (held constant) |
| first | a finish in first place (as in a race) |
| first | (informal) of the highest quality |
| first | quite well |
| first | one who is first-rate |