1. yesterday - Noun
2. yesterday - Adverb
The day last past; the day next before the present.
Fig.: A recent time; time not long past.
On the day last past; on the day preceding to-day; as, the affair took place yesterday.
Source: Webster's dictionaryit was in yesterday's newspapers Source: Internet
yesterday's solutions are not good enough Source: Internet
we shared many yesterdays Source: Internet
yesterday the weather was beautiful Source: Internet
I was not born yesterday! Source: Internet
A 17-year-old male was among the four new confirmed positive cases reported yesterday for October 17. They also included a 90-year-old woman. Source: Internet