since
/sɪns/
preposition
beri; -den beri
From a specified time in the past until now or until another past time.
- I've been working here since 2015.
- She hasn't called since last Tuesday.
- The hospital has adopted numerous electronic record-keeping systems since the implementation of new healthcare regulations in 2010.
- Marine biologists have documented a significant decline in coral reef biodiversity since industrial pollution intensified.
- Economic growth in the region has accelerated dramatically since the government introduced tax incentives for foreign investment.
- Researchers have been monitoring seismic activity along the fault line since the initial tremors were detected last spring.
conjunction
çünkü; -den dolayı
Because; as; for the reason that.
- Since you're not ready, we'll wait.
- I'll have tea, since there's no coffee.
adverb
o zamandan beri
From then until now; in the time after that.
- They moved to London in 2010 and have lived there ever since.
- I met her years ago but haven't seen her since.