mentally(in a mental manner) adverb [UK: ˈmen.tə.li] [US: ˈmen.tə.li]Yanni is mentally unstable. = Yanni es mentalmente inestable.
fundamentalmenteadverb
fundamentally(to the very core of the matter) adverb [UK: ˌfʌn.də.ˈmen.tə.li] [US: ˌfʌn.də.ˈmen.tə.li]This is fundamentally unfair. = Esto es fundamentalmente injusto.
sentimentalmenteadverb
sentimentally(in a sentimental manner) adverb [UK: ˌsen.tɪ.ˈmen.tə.li] [US: ˌsen.tɪ.ˈmen.tə.li]