Pronunciation: [mˈə͡ʊst ɒbfˈʌskəs] (IPA)
Correct spelling for the English word "most obfuscous" is [mˈə͡ʊst ɒbfˈʌskəs], [mˈəʊst ɒbfˈʌskəs], [m_ˈəʊ_s_t ɒ_b_f_ˈʌ_s_k_ə_s] (IPA phonetic alphabet).