depress

verb5

1. •
   To press down.

   • Depress the upper lever to start the machine.
2. •
   To make depressed, sad or bored.

   • Winter depresses me.
3. •
   To cause a depression or a decrease in parts of the economy.

   • Lower productivity will eventually depress wages.
4. •
   To bring down or humble; to abase (pride, etc.).
5. •
   To reduce (an equation) in a lower degree.