indescribable(impossible, or very difficult to describe) adjective [UK: ˌɪn.dɪ.ˈskraɪ.bəb.l̩] [US: ˌɪn.də.ˈskraɪ.bəb.l̩]The sight was indescribably splendid. = El paisaje era indescriptiblemente espléndido.
indescriptiblemente adverb
indescribably(in an indescribable manner) adverb [UK: ˌɪn.dɪ.ˈskraɪ.bə.bli] [US: ˌɪn.dɪ.ˈskraɪ.bə.bli]The sight was indescribably splendid. = El paisaje era indescriptiblemente espléndido.