Bedeutung von “since” — Learner’s Dictionary

since

adverb, preposition us uk /sɪns/
Extra Examples
I hadn't seen Megan since college.There has been a marked improvement since last year.Four years have passed since that day.Housing prices have fallen by 15% since last year.Tim and I were at school together, but I haven't seen him since then.

A2 from a time in the past until a later time or until now:

The country has been independent since 1948.
They've been waiting since March.
The factory had been closed since the explosion.
I've felt fine ever since.

(Definition von “since adverb, preposition” aus dem Cambridge Learner's Dictionary © Cambridge University Press)