Pronunciation: [ɪndɪfˈɪnɪti] (IPA)
Correct spelling for the English word "indefinity" is [ɪndɪfˈɪnɪti], [ɪndɪfˈɪnɪti], [ɪ_n_d_ɪ_f_ˈɪ_n_ɪ_t_i] (IPA phonetic alphabet).
Correct spelling for indefinity