Meaning of yesterday in English
Adverb
1. on the day before today
Yesterday I didn't go to school.
It rained yesterday. ー It was rainy yesterday.
2. in the recent past; of a short time ago
I wasn't born yesterday. ー I'm not as stupid as you think. ー I know all about that.
Noun
1. the day before today
Where did you go yesterday evening?
Yesterday was our 25th wedding anniversary, wasn't it?
2. the recent past; a short time ago
The recession of yesterday is gone.
3. ｟oft. -s｠ the time that existed long before the present
far back in the yesterdays