Speechless/ˈspiːtʃləs/ Definition 1 of 2Pro Tip 1/3Emotional Overwhelm Used when emotions are so powerful that they prevent you from finding words. Seeing the surprise party, I was speechless with joy. Pro Tip 2/3Positive Shock Often used in happy, unexpected situations that leave you without words. Upon seeing the proposal ring, she was speechless. Pro Tip 3/3Negative Surprise Can express being at a loss for words due to unpleasant or shocking news. He was speechless after hearing about the accident.