lamentablemente znamená v Angličtina

regretfully▼(in a regretful manner)
adverb
[UK: rɪ.ˈɡret.fə.li] [US: rɪ.ˈɡret.fə.li]

regrettably▼(in a manner inspiring or deserving regret)
adverb
[UK: rɪ.ˈɡre.tə.bli] [US: rɪ.ˈɡre.tə.bli]Regrettably, we have not received your reply. = Lamentablemente, no hemos recibido tu respuesta.

unfortunately▼(happening through bad luck)
adverb
[UK: ʌn.ˈfɔː.tʃʊ.nət.li] [US: ʌn.ˈfɔːr.tʃə.nət.li]Unfortunately, she lives abroad. = Lamentablemente, ella vive en el extranjero.