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