INDEFINABLY

\ɪndɪfˈa͡ɪnəblɪ], \ɪndɪfˈa‍ɪnəblɪ], \ɪ_n_d_ɪ_f_ˈaɪ_n_ə_b_l_ɪ]\
Sort: Oldest first
 
2010 - New Age Dictionary Database
By Oddity Software
 
1913 - Webster's Revised Unabridged Dictionary
By Noah Webster.