De·press v. t. [imp. & p. p. Depressed p. pr. & vb. n. Depressing.]
  1. To press down; to cause to sink; to let fall; to lower; as, to depress the muzzle of a gun; to depress the eyes. “With lips depressed.”
  2. To bring down or humble; to abase, as pride.
  3. To cast a gloom upon; to sadden; as, his spirits were depressed.
  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. 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.