infect verb Stress: second syllable 🤍 Save Syllables: in-fect (2) English Definition Affect with a disease-causing organism Example Sentence The virus can quickly infect other people. US IPA /ɪnˈfekt/ 🔊 Listen US UK IPA /ɪnˈfekt/ 🔊 Listen UK Synonyms contaminate pollute poison blight taint Antonyms disinfect cure cleanse Share this Word Facebook WhatsApp X Telegram Copy Link