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