Dictionary.com
Thesaurus.com

parasitosis

American  
[par-uh-sahy-toh-sis, -si-] / ˌpær ə saɪˈtoʊ sɪs, -sɪ- /

noun

Pathology.
  1. parasitism.


Etymology

Origin of parasitosis

First recorded in 1895–1900; parasite + -osis

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

This ancient, justified fear could be the root of delusional parasitosis, a mental health condition in which people have psychological delusions that they have a parasite when they don't really.

From Salon • May 18, 2025

When they got to the villages, they encountered rampant malnutrition and intestinal parasitosis.

From Science Magazine • Mar. 9, 2022

Understanding the nuances of disgust, they say, could inform our understanding of disorders such as delusional parasitosis, the mistaken belief that parasites have invaded the body.

From New York Times • Jul. 27, 2021

More and more, these bug detectives find themselves serving as “accidental specialists” treating people with a rare mental disorder called delusional parasitosis, the belief that you’re covered in bugs that aren’t really there.

From New York Times • Mar. 24, 2017

Incidence of dipteran parasitosis in populations of small mammals.

From Comparative Ecology of Pinyon Mice and Deer Mice in Mesa Verde National Park, Colorado by Douglas, Charles L.