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hi·er·ar·chy

hierarchy

 
 
pronunciation:
haI r ar ki
features:
Word Parts
part of speech: noun
inflections: hierarchies
definition: If things or people are arranged in a hierarchy, they are organized from top to bottom, according to their rank or different characteristics. Some are at the top, some are in the middle, and some are at the bottom. In a hierarchy of army officers, for example, generals are at the top, majors and captains are in the middle, and lieutenants are at the bottom.
The animal groups were listed in a hierarchy. At the top of the hierarchy, there was the word "animals." Below that, there were groups like "mammals," "fish," and "birds." And under each of these groups, there were smaller groups like "dogs," "horses," and "squirrels." Under the dogs' group, there were groups like "poodles," "boxers," and "collies."
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