Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
incompletely is an adverb meaning "not to a full degree or extent". It carries one recorded sense.
not to a full degree or extent
“words incompletely understood”
“a form filled out incompletely”
Definitions, synonyms and semantic relations for incompletely come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.