- Since is defined as "because," or it also refers to a period of time that has passed after a specific event.
- An example of since is when you are late because your watch broke.
- An example of since is the period of time that has passed after yesterday.
since definition by Webster's New World
- from then until now: she arrived Tuesday and has been here ever since
- at some or any time between then and now; subsequently: he was ill last week but has since recovered
- before the present time; before now; ago: they are long since gone
Origin: Middle English syns, contr. ; from sithens, adv. genitive of sithen ; from Old English siththan, for earlier an unverified form siththon ; from sith, after, since (for Indo-European base see side) plush thon, instrumental form of thæt, that
- continuously from (the time given) until now: out walking since one o'clock
- during the period between (the time given) and now; subsequently to: many achievements since his election
- during the period from the specified time or event until the present: I haven't seen him since we were in high school
- continuously from the time when: I've been lonely since he left
- inasmuch as; because: since you are finished, let's go
since definition by American Heritage Dictionary
- From then until now or between then and now: They left town and haven't been here since.
- Before now; ago: a name long since forgotten.
- After some point in the past; at a subsequent time: My friend has since married and moved to California.
- Continuously from: They have been friends since childhood.
- Intermittently from: She's been skiing since childhood.
- During the period subsequent to the time when: He hasn't been home since he graduated.
- Continuously from the time when: They have been friends ever since they were in grade school.
- Inasmuch as; because: Since you're not interested, I won't tell you about it.
Origin: Middle English sinnes, contraction of sithenes : sithen, since (from Old English siththan : sīth, after + than variant of thām, dative of thǽt, that; see that) + -es, adv. suff.; see -s3.