principally adverb Stress: first syllable 🤍 Save Syllables: prin-ci-pal-ly (4) English Definition For the most part; chiefly. Example Sentence The book is written principally for young readers. US IPA /ˈprɪnsəpli/ 🔊 Listen US UK IPA /ˈprɪnsəpli/ 🔊 Listen UK Synonyms mainly chiefly primarily mostly Antonyms secondarily partially Share this Word Facebook WhatsApp X Telegram Copy Link