yesterday

Definitions

1. noun

   The day before today.

   Examples

   • Yesterday was rainy, but this morning it began to snow.
   • Yesterday was my birthday.
2. noun

   The past, especially things that are out of date.

   Examples

   • That machine is yesterday's technology.
   • The worker of today is not the worker of yesterday.
3. adverb

   On the day before today.

   Examples

   • I saw her yesterday at the store.
   • He called me yesterday to confirm the plans.
   ≈the last day≠tomorrow
4. adverb

   In informal speech, as soon as possible.

   Examples

   • I want this done yesterday!
   • I need it yesterday!