Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
nonmeaningful is an adjective meaning "having no meaning or direction or purpose". It carries one recorded sense.
having no meaning or direction or purpose
“a meaningless endeavor”
“a meaningless life”
“a verbose but meaningless explanation”
Definitions, synonyms and semantic relations for nonmeaningful come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.