Definition of “hierarchy” - English Dictionary

“hierarchy” in English

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hierarchynoun [ C ]

uk /ˈhaɪə.rɑː.ki/ us /ˈhaɪ.rɑːr.ki/
hierarchical
adjective uk /ˌhaɪəˈrɑː.kɪ.kəl/ us /ˌhaɪˈrɑːr.kɪ.kəl/

C2

It's a very hierarchical organization in which everyone's status is clearly defined.
hierarchically
adverb uk /ˌhaɪəˈrɑː.kɪ.kəl.i/ us /ˌhaɪˈrɑːr.kɪ.kəl.i/

The company is hierarchically structured.

(Definition of “hierarchy” from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

“hierarchy” in American English

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hierarchynoun [ C ]

us /ˈhɑɪ·əˌrɑr·ki, ˈhɑɪˌrɑr-/

social studies a system in which people or things are put at various levels or ranks according to their importance:

He rapidly rose in the corporate hierarchy.

(Definition of “hierarchy” from the Cambridge Academic Content Dictionary © Cambridge University Press)

“hierarchy” in Business English

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hierarchynoun [ C ]

uk /ˈhaɪərɑːki/ us plural hierarchies

a system in which the people within a company or organization are organized into levels according to the authority they have:

Every organization has a hierarchy, and trying to understand that, and the systems and processes of the organization, is important.
corporate/management/organizational/political, etc. hierachy Many kinds of work are more easily and cheaply managed in corporate hierarchies than by individuals doing deals in the market.

the people in the upper levels of a company or organization who control it:

When the recommendations had been submitted and approved by the hierarchy, teams were established to manage the process of implementing them.

(Definition of “hierarchy” from the Cambridge Business English Dictionary © Cambridge University Press)

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hierarchy

The competition among airports to be the first or second level in the open skies hierarchy is proving cut-throat in my country.
In all these, the principle applies: the more generally a right is formulated, the higher up this hierarchy it should be set, and the more specifically, the further down it.
We must look at the whole hierarchy.
Both directives constitute a firm basis for the sustainable treatment of the waste hierarchy, with improved preventative measures, better recycling and environmentally safe deposition of waste.
There is also the hierarchy of rules.
There is no hierarchy of oppression.
There can be no hierarchy of discrimination.
Nevertheless, a traditional hierarchy of sciences does not provide them with sufficient social recognition and works as indirect discrimination against the women researchers in these fields.
In that directive, it is pretty clear that each of the countries, as a matter of law, has to introduce a waste hierarchy.
The packaging directive contains incentives to stay as highly as possible within the waste hierarchy, but real life is often more unmanageable than the theory.