1
since
/ˈsɪns/
preposition
Britannica Dictionary definition of SINCE
:
in the time after (a specified time or event in the past)
:
from (a point in the past) until the present time
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I haven't seen him since yesterday.
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I haven't eaten since breakfast.
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Since the party, she has not spoken to him at all.
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The company has been in its present location since the beginning of the century.
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We've been waiting for you since 10 o'clock.
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We have been friends since [=ever since] college.
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The company started as a small local business 10 years ago and has grown a lot since then. [=within that time]
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The house was built in 1919. Since that time [=from 1919 to the present], it has changed owners several times.
since the year one
—
see year
since when?
—
used to show that you are surprised and often angry, annoyed, or doubtful about what someone has said or done
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“I'm a vegetarian.” “Since when?”
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“You told me to do it.” “Since when did you start listening to me?”
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Since when is it okay to cheat?
2
since
/ˈsɪns/
conjunction
2
since
/ˈsɪns/
conjunction
Britannica Dictionary definition of SINCE
1
:
in the period after the time when
2
:
from the time in the past when
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I have wanted to be a pilot since [=ever since] I was a child.
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He hasn't ridden a bike since he was a boy.
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(US) It has been over 10 years since I last visited Europe. = (Brit) It is over 10 years since I last visited Europe.
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They haven't won a championship since Truman was President.
3
—
used to introduce a statement that explains the reason for another statement
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Since you've finished all your chores, you may go out and play.
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Should we invite someone else since he can't go?
3
since
/ˈsɪns/
adverb
Britannica Dictionary definition of SINCE
1
:
from a past time until now
2
:
after a time in the past
3
:
before the present time
—
see also long since at 2long