To press or move downward; make lower; bring to a lower level: as, to depress the muzzle of a gun; to depress the eye.To force or keep down; cause to fall to or remain in a low or lower condition; lower in vigor, amount, estimation, etc.: as, to depress stocks or the price of merchandise; business is depressed.To weigh upon; lower in feeling; make dull or languid; deject.To depreciate; rate meanly; belittle.To repress.In algebra, to reduce to a lower degree, as an equation.To reduce to subjection; overpower.To pardon; release; let go.To cast down, discourage, dishearten, dispirit, chill, dampen.Pressed down; hollow in the center; concave.