depress: Meaning and Definition of

de•press

1. to make sad or gloomy; lower in spirits; deject; dispirit.
2. to lower in force, vigor, activity, etc.; weaken; make dull.
3. to lower in amount or value.
4. to put into a lower position: to depress the muzzle of a gun.
5. to press down.
6. to lower in pitch.