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