Definition of since when
—used to show that one is surprised and often angry, annoyed, or doubtful about what someone has said or done “I'm a vegetarian.” “Since when?” “You told me to do it.” “Since when did you start listening to me?” Since when is it okay to cheat?
Word by Word Definitions
: from a definite past time until now
: before the present time : ago
: after a time in the past : subsequently
: at a time in the past after or later than : from the time in the past when
: in view of the fact that : because
: in the period after a specified time in the past : from a specified time in the past
Seen and Heard
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