1. (v. t.) To press down; to cause to sink\; to let fall; to lower; as, to depress the muzzle of a gun; to depress the eyes.

2. (v. t.) To bring down or humble; to abase, as pride.

3. (v. t.) To cast a gloom upon; to sadden; as, his spirits were depressed.

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

5. (v. t.) To lessen in price; to cause to decline in value; to cheapen; to depreciate.

6. (v. t.) To reduce (an equation) in a lower degree.

7. (a.) Having the middle lower than the border; concave.

abridge bear down beat down bring down bring low burden cast down cheapen compress couch countersink curtail cut cut back cut down damp dampen dampen the spirits darken dash debase debilitate decrease deduct deepen deflate deject demit dent depreciate detrude devaluate devalue dig diminish dimple dint discourage dishearten dispirit dive downbear downgrade drill droop dull enervate engrave excavate grieve haul down impress imprint indent knock down lessen let let down lower lower the spirits mine notch oppress pare pit pock pockmark press down press in pull down punch punch in push down recess reduce retrench roll back sadden sap scale down set back set in shorten simplify sink stamp step down take down take from tamp thrust down tune down tunnel upset weaken weigh down weigh heavy upon weigh upon