sir noun Stress: first syllable 🤍 Save Syllables: sir (1) English Definition A polite form of address for a man. Example Sentence Good morning, sir, how can I help you? US IPA /sɜːr/ 🔊 Listen US UK IPA /sɜː/ 🔊 Listen UK Synonyms gentleman mister lord Antonyms madam dame Share this Word Facebook WhatsApp X Telegram Copy Link