Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
eristical is an adjective meaning "given to disputation for its own sake and often employing specious arguments". It carries one recorded sense.
given to disputation for its own sake and often employing specious arguments
Definitions, synonyms and semantic relations for eristical come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.