yesterday > define

noun

• The day immediately before today.
  • usage: "it was in yesterday's newspapers"
• The recent past.
  • usage: "yesterday's solutions are not good enough"; "we shared many yesterdays"

adverb

• On the day preceding today.
  • usage: "yesterday the weather was beautiful"
• In the recent past; only a short time ago.
  • usage: "I was not born yesterday"

• (adv.) On the day last past; on the day preceding to-day; as, the affair took place yesterday.
• (n.) Fig.: A recent time; time not long past.
• (n.) The day last past; the day next before the present.