dynamic (Adjective) — Characterized by action, forcefulness or force of personality. ex. "a dynamic speaker" ex. "the dynamic president of the firm" ex. "a dynamic market"
dynamic (Adjective) — (physics) of or relating to dynamics.
dynamic (Adjective) — (grammar) expressing action rather than a state of being.
dynamic (Adjective) — Able to change and adapt; changing constantly.
dynamic (Noun) — An efficient incentive. ex. "they hoped it would act as a spiritual dynamic on all churches"
dynamic (Noun) — A characteristic or manner of an interaction; a behaviour. ex. "Watch the dynamic between the husband and wife" ex. "The story is about a child who makes a friend and how the dynamic of their play evolves"
dynamic (Noun) — (music) varying loudness of sound; markings in a musical score that indicates the desired level of volume.