backpack noun verb Stress: first syllable 🤍 Save Syllables: back-pack (2) English Definition A bag with shoulder straps, carried on one's back Example Sentence He put the books in his backpack. US IPA /ˈbækˌpæk/ 🔊 Listen US UK IPA /ˈbækpæk/ 🔊 Listen UK Synonyms knapsack rucksack pack haversack Share this Word Facebook WhatsApp X Telegram Copy Link