Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
nonflavoured is an adjective meaning "without flavoring added". It carries one recorded sense.
without flavoring added
Definitions, synonyms and semantic relations for nonflavoured come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.