ˈkəʊ ˈbjuːti dɪʃ hɑːd hɑɹd ˈnɒkaʊt ˈnɒkaʊt ˈlʊk.ɚ ˈlʊk.ə sɪˈvɪr ˈswiːtˌhɑːt ˈswitˌhɑɹt a blow that renders the opponent unconscious very strong or vigorous a hard left to the chin a knockout punch a severe blow a very attractive or seductive looking woman