from The American Heritage® Dictionary of the English Language, 4th Edition

  • adj. Of or relating to energy or to objects in motion.
  • adj. Of or relating to the study of dynamics.
  • adj. Characterized by continuous change, activity, or progress: a dynamic market.
  • adj. Marked by intensity and vigor; forceful. See Synonyms at active.
  • adj. Of or relating to variation of intensity, as in musical sound.
  • n. An interactive system or process, especially one involving competing or conflicting forces: "the story of a malign dynamic between white prejudice and black autonomy” ( Edmund S. Morgan).
  • n. A force, especially political, social, or psychological: the main dynamic behind the revolution.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • adj. Changing; active; in motion.
  • adj. Powerful; energetic.
  • adj. Able to change and to adapt
  • adj. Having to do with the volume of sound.
  • adj. happening at runtime instead of at compile time or predetermined
  • adj. Pertaining to dynamics—the branch of mechanics concerned with the effects of forces on the motion of objects.
  • n. A characteristic or manner of an interaction; a behavior.
  • n. The varying loudness or volume of a song or the markings that indicate the loudness.
  • n. A symbol in a musical score that indicates the desired level of volume.

from the GNU version of the Collaborative International Dictionary of English

  • adj. Of or pertaining to dynamics; belonging to energy or power; characterized by energy or production of force.
  • adj. Relating to physical forces, effects, or laws.

from The Century Dictionary and Cyclopedia

  • Pertaining to mechanical forces not in equilibrium: opposed to static.
  • Pertaining to mechanical forces, whether in equilibrium or not; involving the consideration of forces. By extension
  • Causal; effective; motive; involving motion or change: often used vaguely.
  • In the Kantian philosophy, relating to the reason of existence of an object of experience.
  • The doctrine that some other original principle besides matter must be supposed to account for the phenomena of the universe
  • n. A moral force; an efficient incentive.
  • n. The science which teaches how to calculate motions in accordance with the laws of force: same as dynamics.
  • Sthenic; functional, not organic: as, a dynamic disease.
  • In botany, capable of strongly swelling on one side: applied to tissue.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. an efficient incentive
  • adj. characterized by action or forcefulness or force of personality
  • adj. (used of verbs (e.g. `to run') and participial adjectives (e.g. `running' in `running water')) expressing action rather than a state of being
  • adj. of or relating to dynamics


French dynamique, from Greek dunamikos, powerful, from dunamis, power, from dunasthai, to be able; see deu-2 in Indo-European roots.
(American Heritage® Dictionary of the English Language, Fourth Edition)
From French dynamique, from Ancient Greek δυναμικός (dunamikos, "powerful"), from δύναμις (dunamis, "power"), from δύναμαι (dunamai, "I am able"). (Wiktionary)


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