adjective Also dy·nam·i·cal.

  1. pertaining to or characterized by energy or effective action; vigorously active or forceful; energetic: the dynamic president of the firm.
  2. Physics.
    1. of or relating to force or power.
    2. of or relating to force related to motion.
  3. pertaining to the science of dynamics.
  4. of or relating to the range of volume of musical sound.
  5. Computers. (of data storage, processing, or programming) affected by the passage of time or the presence or absence of power: Dynamic memory must be constantly refreshed to avoid losing data. Dynamic websites contain Web pages that are generated in real time.
  6. Grammar. nonstative.


  1. a basic or dynamic force, especially one that motivates, affects development or stability, etc.


  1. of or concerned with energy or forces that produce motion, as opposed to static
  2. of or concerned with dynamics
  3. Also: dynamical characterized by force of personality, ambition, energy, new ideas, etc
  4. music of, relating to, or indicating dynamicsdynamic marks
  5. computing (of a memory) needing its contents refreshed periodicallyCompare static (def. 8)

1817 as a term in philosophy; 1827 in the sense “pertaining to force producing motion” (the opposite of static), from French dynamique introduced by German mathematician Gottfried Leibnitz (1646-1716) in 1691 from Greek dynamikos “powerful,” from dynamis “power,” from dynasthai “to be able, to have power, be strong enough,” of unknown origin. The figurative sense of “active, potent, energetic” is from 1856 (in Emerson). Related: Dynamically.


“energetic force; motive force,” 1894, from dynamic (adj.).

  1. Relating to energy or to objects in motion. Compare static.
  2. Relating to the study of dynamics.
  3. Characterized by continuous change or activity.
57 queries 0.647