Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
obstructively is an adverb meaning "in an obstructive manner". It carries one recorded sense.
in an obstructive manner
“he acted very obstructively when we tried to carry out our project”
Definitions, synonyms and semantic relations for obstructively come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.