vt.

1. 使降級；降低……的地位
   He was degraded for disobeying orders.

   他因不服從命令而受到降級處分。

2. 降低……的品格（或品質、價值等）；使丟臉
   He degraded himself by cheating and telling lies.

   他因欺騙、撒謊而損害了自己的人格。

3. 【化】使降解
4. 【地】使陵削，剝蝕

vi.

1. 降低；降級

v.

1. cause to suffer a severe loss of dignity or respect; demean.
   ▸lower the character or quality of.
   ▸archaic reduce to a lower rank, especially as a punishment.
2. cause to break down or deteriorate chemically.
   ▸Physics  reduce (energy) to a less readily convertible form.