C2a system in which people or things are arranged according to their importance: Some monkeys have a very complex social hierarchy.He rose quickly through the political hierarchy to become party leader.Classifying and creating order›the people in the upper levels of an organization who control itPeople in charge of or controlling other peopleBosses, managers and directorsBosses, managers and directorsPeople in charge of or controlling other peoplehierarchical
/ˌhaɪəˈrɑː.kɪ.kəl//ˌhaɪrˈɑːr-/adjectiveC2It's a very hierarchical organization in which everyone's status is clearly defined.Classifying and creating orderhierarchically
/ˌhaɪəˈrɑː.kɪ.kəl.i//ˌhaɪrˈɑːr-/adverb›The company is hierarchically structured.Classifying and creating order