Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
unproblematic is an adjective meaning "easy and not involved or complicated". It carries one recorded sense.
easy and not involved or complicated
“an elementary problem in statistics”
“elementary, my dear Watson”
“a simple game”
“found an uncomplicated solution to the problem”
Definitions, synonyms and semantic relations for unproblematic come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.