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Updated June 2026
The invasion and multiplication of microorganisms such as bacteria, viruses, or parasites in body tissues, causing disease. It can also refer to the state of being infected or the process of infecting.
“The doctor prescribed antibiotics to treat the bacterial infection in her throat.”
/ɪnˈfɛkʃən/
in·fec·tion
Contains three 'I's, two 'N's, and 'FECT' root; vowel-heavy
Worth 14 points; good for medical terminology and common letter patterns
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10-letter words you can spell by adding one letter to “infection”.
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