a.

1. 力的；動力的
   a dynamic load

   動力荷載

2. 力學的；動力學的
3. 能動的；動態的
   a dynamic verb

   動態動詞

4. 有活力的；有生氣的；強有力的
   a dynamic young businessman

   生氣勃勃的年輕商人

5. 【醫】機能的，功能的
   a dynamic disease

   機能性疾病

adj.

1. (of a process or system) characterized by constant change or activity.
   ▸(of a person) full of energy and new ideas.
2. Physics  relating to forces producing motion. Often contrasted with static.
3. relating to the volume of sound produced by a musical instrument or voice.
4. Linguistics  (of a verb) expressing an action, activity, event, or process. Contrasted with stative.
5. Electronics  (of a memory device) needing to be refreshed by the periodic application of a voltage.

n.

1. a force that stimulates change or progress.
2. Music  another term for dynamics (in sense ³).