To be so amazed, shocked, surprised or moved by something that you don't know what to say

Rudolph was speechless when he saw his ex-wife again after some time: elegant, classy and a 50 pounds thinner

Rodolfo è rimasto senza parole quando ha rivisto, dopo tempo, la sua ex-moglie: elegante, raffinata e con 25 chili di meno

The sight of the village totally destroyed by the earthquake was so dramatic that the rescuers themselves were literally at a loss for words

La vista del villaggio totalmente distrutto dal terremoto era così drammatica che i soccorritori stessi sono rimasti letteralmente senza parole

Alla nascita del mio primo figlio ero al settimo cielo e volevo esprimere tutta la mia felicità a mia moglie, ma ero talmente commosso che, per la prima volta in vita mia, sono rimasto senza parole

At the birth of my first child I was in seventh heaven and wanted to express all my happiness to my wife, but I was so moved that, for the first time in my life, I was at a loss for words