AKINESIA Meaning of AKINESIA in English [ ˌeɪkɪ'ni:sɪə , a- ]■ noun Medicine loss or impairment of the power of voluntary movement.Derivativesakinetic adjective OriginC19: from Gk akinēsia 'quiescence'. Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004