EXTEMPORANEOUSLY

\ɛkstˌɛmpɔːɹˈe͡ɪni͡əsli], \ɛkstˌɛmpɔːɹˈe‍ɪni‍əsli], \ɛ_k_s_t_ˌɛ_m_p_ɔː_ɹ_ˈeɪ_n_iə_s_l_i]\
Sort: Oldest first
 
1914 - Nuttall's Standard dictionary of the English language
By Nuttall, P.Austin.
 
1871 - The Cabinet Dictionary of the English Language