Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
fundamentalistic is an adjective meaning "of or relating to or tending toward ideological fundamentalism". It carries 2 recorded senses.
of or relating to or tending toward ideological fundamentalism
of or relating to or characteristic of Protestant fundamentalism or its adherents
theology
Definitions, synonyms and semantic relations for fundamentalistic come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.