Main entry: hierarchal, hierarchic, hierarchical
Definition: classified according to various criteria into successive levels or layers
Usage: it has been said that only a hierarchical society with a leisure class at the top can produce works of art; in her hierarchical set of values honesty comes first
Antonyms: nonhierarchic, nonhierarchical
Definition: not classified hierarchically
Antonyms: horizontal
Definition: parallel to or in the plane of the horizon or a base line
Antonyms: inclined
Definition: at an angle to the horizontal or vertical position
Antonyms: unstratified
Definition: not deposited in layers