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