hierarchy
Americannoun
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hierarchies
plural
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any system of persons or things ranked one above another.
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government by ecclesiastical rulers.
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the power or dominion of a hierarch.
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an organized body of ecclesiastical officials in successive ranks or orders.
the Roman Catholic hierarchy.
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one of the three divisions of the angels, each made up of three orders, conceived as constituting a graded body.
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Also called celestial hierarchy. the collective body of angels.
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government by an elite group.
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Linguistics. the system of levels according to which a language is organized, as phonemic, morphemic, syntactic, or semantic.
noun
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a system of persons or things arranged in a graded order
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a body of persons in holy orders organized into graded ranks
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the collective body of those so organized
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a series of ordered groupings within a system, such as the arrangement of plants and animals into classes, orders, families, etc
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linguistics maths a formal structure, usually represented by a diagram of connected nodes, with a single uppermost element Compare ordering heterarchy tree
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government by an organized priesthood
Other Word Forms
Derived Forms
Inflected Forms
Nouns
Etymology
Origin of hierarchy
First recorded in 1350–1400; Middle English jerarchie, from Middle French ierarchie, gerarchie, from Medieval Latin (h)ierarchia, from Late Greek hierarchía “stewardship of sacred rites, rule or power of the high priest,” equivalent to hier(o)- “holy, sacred” + -archía, a combining form meaning “rule”; see hier(o)-, -archy
Explanation
Hierarchy describes a system that organizes or ranks things, often according to power or importance. At school the principal is at the top of the staff hierarchy, while the seniors rule the student hierarchy. Also known as a pecking order or power structure, a hierarchy is a formalized or simply implied understanding of who's on top or what's most important. All that sorting and ranking can be helpful if you're a business administrator, but if you find yourself arranging all the produce in your fridge according to a hierarchy of color, size, and expiration date, you might want to consider visiting a therapist.
Vocabulary lists containing hierarchy
New Kid
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"The Necklace" by Guy de Maupassant
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100 SAT Words Beginning with "H"
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Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
See Examples For:
For now, the hierarchy problem is still unresolved.
From Science Daily ● Sep. 23, 2026
Such extra dimensions have been proposed as one possible answer to the hierarchy problem, a longstanding question in physics that asks why gravity is dramatically weaker than the other fundamental forces.
From Science Daily ● Sep. 23, 2026
By broaching the moral consequences of machine learning, Littlejohn said Vance was pointing to a hierarchy of AI threats beyond just economic effects.
From The Wall Street Journal ● Sep. 5, 2026
For more than seven decades, she helped millions strip away the veils of hierarchy, patriarchy and all the stories spun about gendered expectations to confront the actual experience of women’s lives.
From Los Angeles Times ● Sep. 4, 2026
The church hierarchy consisted of a priest, whose duties included interpreting dreams.
From "Kaffir Boy: An Autobiography" by Mark Mathabane
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These AI systems demonstrated the ability to coordinate, establish hierarchies among themselves, cheat and erase traces of their actions.
From Barron's ● Sep. 13, 2026
Ms. Brown catalogs the patient loads, paperwork and hospital hierarchies that wear nurses down.
From The Wall Street Journal ● Jul. 21, 2026
"He transcended social and caste hierarchies through his music," says Krishna.
From BBC ● Jun. 6, 2026
This is the Christian tradition: questioning inherited norms, unsettling comfortable hierarchies, insisting that the ethical imagination can go further than traditional society allows.
From Salon ● Jun. 5, 2026
Everywhere you turn, hierarchies are being challenged from below or are transforming themselves from top- down structures into more horizontal and collaborative ones.
From "The World Is Flat" by Thomas L. Friedman
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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.