brethren noun Stress: first syllable 🤍 Save Syllables: breth-ren (2) English Definition Fellow members of a religion, society, or profession. Example Sentence We must help our brethren in need. US IPA /ˈbreðrən/ 🔊 Listen US UK IPA /ˈbreðrən/ 🔊 Listen UK Synonyms brothers fellows comrades kin Antonyms strangers enemies opponents Share this Word Facebook WhatsApp X Telegram Copy Link