Depress (verb)

1. To make someone feel sad, hopeless, or lacking in energy.
2. To lower the level, level of activity, or price of something.
3. To push down on a surface or object.
4. To lower a body part or structure, such as a button or lever.
5. To lessen the physiological or psychological activity of a person or animal.

Origin:

From the latin word 'deprimere' meaning 'to press down'.

Examples:

1. The news of his death depressed her for weeks.
2. The economic downturn has depressed the housing market.
3. He depressed the accelerator pedal to speed up the car.
4. She depressed the lever to lower the bucket into the well.
5. The sedative medication depressed his breathing and heart rate.