It's a deep mental depression, a sadness that takes over your body.

One source reports that he had been in financial straits and suffered from "great mental depression".

Yes, I felt not one trace of bodily weariness nor mental depression.

As we struggle to find the causes of our daughter's mental depression, it is more than a relief to know that we are not alone.

A week ago, Anderson said he was experiencing "mental depression."

There was some suspicion that he had committed suicide in a fit of mental depression.

Carothers had been troubled by periods of mental depression since his youth.

Physical distress or mental depression might be eased by better treatment.

People will suffer from mental depression, because they will be held and made to wait.

The couple did not eat out of mental depression and both went on sleep.