Home › Words › N › nosophobianosophobianosophobia means an excessive or irrational fear of contracting a disease, such as: HIV/AIDS, pulmonary tuberculosis, venereal diseases, cancer, and heart diseases.EtymologyFrom noso- + -phobia.nounAn excessive or irrational fear of contracting a disease, such as: HIV/AIDS, pulmonary tuberculosis, venereal diseases, cancer, and heart diseases.Definitions & examples from Wiktionary (CC BY-SA 3.0).Words closest in meaningBy meaning, not spelling — each word's AI semantic fingerprint, nearest first.nosophobe 78% match — Someone who suffers from nosophobia. vs nosophobia →nosomania 71% match — A form of hypochondria involving a morbid belief that one is suffering from an unusual disease vs nosophobia →parasitophobia 65% match — A morbid fear of becoming infested with parasites. vs nosophobia →phthisiophobia 65% match — A morbid fear of tuberculosis. vs nosophobia →syphilophobia 64% match — A morbid fear of syphilis. vs nosophobia →dermatopathophobia 63% match — A fear of skin disease. vs nosophobia →psychophobia 63% match — A fear of the mind, particularly mental illness, such as dementia. vs nosophobia →phobia 62% match — An irrational, abnormal, or obsessive fear (of something). vs nosophobia →