How Do You Spell IRRITATINGNESS?

Correct spelling for the English word "irritatingness" is [ˈɪɹɪtˌe͡ɪtɪŋnəs], [ˈɪɹɪtˌe‍ɪtɪŋnəs], [ˈɪ_ɹ_ɪ_t_ˌeɪ_t_ɪ_ŋ_n_ə_s] (IPA phonetic alphabet).

Plural form of IRRITATINGNESS is IRRITATINGNESSES