/ Dictionary / Index H hierarchical: Meaning and Definition of Find definitions for: hi•er•ar•chi•cal Pronunciation: (hī"u-rär'ki-kul, hī-rär'-), [key] — adj. of, belonging to, or characteristic of a hierarchy. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: hierarchical (Thesaurus) hierarch hierarchism Related Content Daily Word Quiz: neologism Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language