Correct spelling for the English word "Morbifical" is [mɔːbˈɪfɪkə͡l], [mɔːbˈɪfɪkəl], [m_ɔː_b_ˈɪ_f_ɪ_k_əl] (IPA phonetic alphabet).
Causing a disease; generating a sickly state.
Etymological and pronouncing dictionary of the English language. By Stormonth, James, Phelp, P. H. Published 1874.