This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

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adj. dynamic

Same as dynamic.

adj. characterized by action or forcefulness or force of personality

"The arbitrariness associated with pi #microstates–Fermi uses the term dynamical states, and therefore the entropy also can be removed by making use of the principles of the quantum theory"

propelling    high-power    slashing    energising    kinetic    driving    can-do    impulsive    high-voltage    high-energy   

dynamical coefficient of viscosity   

dynamical system   

algebraic    Newtonian    nonlinear    acoustical    statical    deterministic    inhomogeneous    empirical    quadratic    predictive