ko noun Stress: second syllable 🤍 Save Syllables: k-o (2) English Definition A knockout in a boxing match Example Sentence He won the match with a KO in the second round. US IPA /ˌkeɪ ˈoʊ/ 🔊 Listen US UK IPA /ˌkeɪ ˈəʊ/ 🔊 Listen UK Synonyms knockout defeat blowout Share this Word Facebook WhatsApp X Telegram Copy Link