dynamic

adjective

• 1(of a process or system) characterized by constant change, activity, or progress:a dynamic economy
• Physics relating to forces producing motion. Often contrasted with static.
• Linguistics (of a verb) expressing an action, activity, event, or process. Contrasted with stative.
• denoting or relating to web pages that update frequently or are generated according to an individual’s search terms:the dynamic content of these sites keeps their audience informed and up to date

• 2(of a person) positive in attitude and full of energy and new ideas:a dynamic young advertising executive

• 3 Electronics (of a memory device) needing to be refreshed by the periodic application of a voltage.

• 4 Music relating to the volume of sound produced by an instrument, voice, or recording.

noun

• 1a force that stimulates change or progress within a system or process:evaluation is part of the basic dynamic of the project

• 2 Musicanother term for dynamics (sense 3).