immunodeficiency
noun/ˌɪmjunoʊdɪˈfɪʃənsi/
Frequency rank: #16,973 most common English word
Meaning
a condition in which the immune system is unable to protect the body properly against disease or infection.

Example sentence
Children born with immunodeficiency may need special medical treatment to fight off infections.
Synonyms & related words
- immunosuppression
- vulnerability
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