/ ˌsɪstəˈmætɪk; NAmE / adjective
done according to a system or plan, in a thorough, efficient or determined way :
a systematic approach to solving the problem
a systematic attempt to destroy the organization
The prisoner was subjected to systematic torture.
OPP unsystematic
► sys·tem·at·ic·al·ly / -kli; NAmE / adverb :
The search was carried out systematically.
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WORD ORIGIN
early 18th cent.: from French systématique , via late Latin from late Greek sustēmatikos , from sustēma , from sun- with + histanai set up.