Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
hierarchal is an adjective meaning "classified according to various criteria into successive levels or layers". It carries one recorded sense.
classified according to various criteria into successive levels or layers
“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”
Definitions, synonyms and semantic relations for hierarchal come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.