Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
inopportunely is an adverb meaning "at an inconvenient time". It carries one recorded sense.
at an inconvenient time
“he arrived inopportunely just as we sat down for dinner”
“she answered malapropos”
Definitions, synonyms and semantic relations for inopportunely come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.