hierarchy
nounUK /ˈhaɪərɑːki/
US /ˈhaɪərɑːrki/
A hierarchy is a way of putting people or things in order from most important to least important.
In the school hierarchy, the principal is at the top and the students are at the bottom.
RELATED WORDS
OTHER MEANINGS
2. A system in which members of an organization are ranked according to status or authority.
The company's hierarchy makes it clear who reports to whom.
3. A classification of things into groups that are ranked one above the other.
Scientists arranged the animals into a hierarchy of categories.
4. The group of leaders who control an organization.
She complained to the party hierarchy about the decision.