4. To lessen the activity of; to make dull; embarrass, as trade, commerce, etc.

5. To lessen in price; to cause to decline in value; to cheapen; to depreciate.

6. (Math.)

Defn: To reduce (an equation) in a lower degree. To depress the pole (Naut.), to cause the sidereal pole to appear lower or nearer the horizon, as by sailing toward the equator.

Syn. — To sink; lower; abase; cast down; deject; humble; degrade; dispirit; discourage.

DEPRESS
De*press", a. Etym: [L. depressus, p. p.]

Defn: Having the middle lower than the border; concave. [Obs.]
If the seal be depress or hollow. Hammond.

DEPRESSANT
De*press"ant, n. (Med.)

Defn: An agent or remedy which lowers the vital powers.

DEPRESSED
De*pressed", a.