From Longman Dictionary of Contemporary Englishsubsidiaritysub‧sid‧i‧ar‧i‧ty /səbˌsɪdiˈærəti/ noun [uncountable] PPPa word meaning a political policy(1) in which power to make decisions is given to a smaller group – used especially about the European Union giving power to its member countries
Examples from the Corpus
subsidiarity• That idea is wholly compatible with the argument about subsidiarity.• There would be no subsidiarity in monetary policy.• This lack of clarity in the meaning of subsidiarity is in one sense rather surprising.• The principle of subsidiarity, whereby decisions were taken at as low a level as was feasible, was stressed.• That is the institution which will be claiming the subsidiarity principle in its favour.• Sunday trading, for example, is something that one would think was a national matter with the subsidiarity rule applying. 