| 1. | from then till now (often prec. by ever): He was elected in 1978 and has been president ever since. |
| 2. | between a particular past time and the present; subsequently: She at first refused, but has since consented. |
| 3. | ago; before now: long since. |
| 4. | continuously from or counting from: It has been warm since noon. |
| 5. | between a past time or event and the present: There have been many changes since the war. |
| 6. | in the period following the time when: He has written once since he left. |
| 7. | continuously from or counting from the time when: He has been busy since he came. |
| 8. | because; inasmuch as: Since you're already here, you might as well stay. |
Idioms
Word Origin & History