whatsoever UK /ˌwɒtsəʊˈɛvə(ɹ)/US /ˌ(h)wʌtsoʊˈɛvɚ/adverb 1determiner 1pronoun 1 adverb1 •at all, even in the smallest amountHe gave me no answer whatsoever. determiner1 •(formal, literary) Whatever.The building may be used for whatsoever purpose the tenant desires. pronoun1 •(literary, no longer used) Whatever.Whatsoever you seek, you will find.