sinful adjective Stress: first syllable 🤍 Save Syllables: sin-ful (2) English Definition Wicked and immoral; committing or characterized by sin Example Sentence Stealing is considered a sinful act. US IPA /ˈsɪnfl/ 🔊 Listen US UK IPA /ˈsɪnfl/ 🔊 Listen UK Synonyms wicked immoral corrupt unholy evil Antonyms righteous holy virtuous Share this Word Facebook WhatsApp X Telegram Copy Link