Webster's English Dictionary

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kinetic

ki.net.ic \k*-'net-ik, ki--\ aj [Gk kine-tikos, fr. kine-tos moving, fr. 
   kinein] 1: of or relating to the motion of material bodies and the forces 
   and ener gy associated therewith 2a: ACTIVE, LIVELY  2b: ENERGIZING, 
   DYNAMIC