Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
inconsistently is an adverb meaning "without showing consistency". It carries one recorded sense.
without showing consistency
“he acted inconsistently when he bought these stocks”
Definitions, synonyms and semantic relations for inconsistently come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.