Pronunciation: [nˈaɹə͡ʊmˌa͡ɪndɛdnəst] (IPA)
Correct spelling for the English word "narrowmindednessed" is [nˈaɹə͡ʊmˌa͡ɪndɛdnəst], [nˈaɹəʊmˌaɪndɛdnəst], [n_ˈa_ɹ_əʊ_m_ˌaɪ_n_d_ɛ_d_n_ə_s_t] (IPA phonetic alphabet).