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"
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). yesterday. Retrieved September 20, 2026, from http://smartdefine.org/yesterday/definitions/1249926 |
| Chicago | WordNet. 2010. "yesterday" http://smartdefine.org/yesterday/definitions/1249926 (accessed September 20, 2026). |
| Harvard | WordNet 2010, yesterday, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/yesterday/definitions/1249926>. |
| MLA | WordNet. "yesterday" 23 October 2010. Web. 20 September 2026. <http://smartdefine.org/yesterday/definitions/1249926> |