"Most strabilious" is a rare word in the English language, with an unusual spelling that can trip up even the most experienced writers. The correct phonetic transcription of this word is /məʊst strəˈbɪliəs/. The first syllable is pronounced as "mohst", while the second syllable has a schwa sound followed by "str" and "bili". The final syllable is pronounced as "us". The meaning of this obscure word is being contrary or argumentative, making it a useful addition to the lexicon.