Pronunciation: [bˈə͡ʊstɪv] (IPA)
Correct spelling for the English word "Boastive" is [bˈə͡ʊstɪv], [bˈəʊstɪv], [b_ˈəʊ_s_t_ɪ_v] (IPA phonetic alphabet).
Correct spelling for Boastive