Pronunciation: (di-pres'),[key] —v.t. 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. Music.to lower in pitch.