VIGINTIVIRATE

\vˌɪd͡ʒɪntˈɪvɪɹˌe͡ɪt], \vˌɪd‍ʒɪntˈɪvɪɹˌe‍ɪt], \v_ˌɪ_dʒ_ɪ_n_t_ˈɪ_v_ɪ_ɹ_ˌeɪ_t]\
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2010 - New Age Dictionary Database
By Oddity Software
 
1913 - Webster's Revised Unabridged Dictionary
By Noah Webster.