Pronunciation change

  • IPA (key): /ˈhaɪ.ə.rɑː(r).ki/ or /ˈhaɪ.rɑː(r).ki/
  • (file)

Noun change

Singular
hierarchy

Plural
hierarchies

  1. A hierarchy is a body of officials organized in ranks so that each is above or below another.
  2. Any group of objects ranked so that every one is above or below another.