Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
obtrusively is an adverb meaning "in an obtrusive manner". It carries one recorded sense.
in an obtrusive manner
Definitions, synonyms and semantic relations for obtrusively come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.