since

Pronunciation

• IPA: /sɪns/
• SAMPA: /sIns/
•  Audio (US)^{help, file}

Preposition

Preposition since

1. From a particular time in the past until now or until a later time in the past.

   I haven't been there since 1969.

   Since you told me about it, I've been thinking a lot.

2. because

   Since you can't be there, we'll try for another day.

Usage

• In the sense of time, since is usually used with the perfect aspect.

  I've been waiting here since ten o'clock.

  The school has been open since 2002.

  It was only five days since they had met.