hub noun Stress: first syllable 🤍 Save Syllables: hub (1) English Definition The effective center of an activity, region, or network. Example Sentence The city is the main commercial hub of the region. US IPA /hʌb/ 🔊 Listen US UK IPA /hʌb/ 🔊 Listen UK Synonyms center core heart focus pivot Antonyms periphery outskirts Share this Word Facebook WhatsApp X Telegram Copy Link