• (encopresis) An elimination disorder characterized by fecal incontinence, whether involuntary or intentional, which is not due to a medical condition and which occurs in someone who is toilet trained.
  NCI
  U.S. National Cancer Institute, 2021
• (encopresis) Incontinence of feces not due to organic defect or illness.
  NLM Medical Subject Headings
  U.S. National Library of Medicine, 2025
• (encopresis) Involuntary passage of feces, usually occurring at night or during sleep.
  Sadock's Comprehensive Glossary of Psychiatry and Psychology
  BJ Sadock Titles Press, 2012
• (encopresis) The leakage of stool in an individual who is toilet trained.
  NICHD Pediatric Terminology
  U.S. National Cancer Institute, 2021
• Encopresis is the involuntary discharge of feces (ie, fecal incontinence). In most cases, it is the consequence of chronic constipation and resulting overflow incontinence, but a minority of patients have no apparent history of constipation or painful defecation.
  Medscape
  WebMD, 2025
• Encopresis (en-ko-PREE-sis), sometimes called fecal incontinence or soiling, is the repeated passing of stool (usually involuntarily) into clothing. Typically it happens when impacted stool collects in the colon and rectum: the colon becomes too full and liquid stool leaks around the retained stool, staining underwear...
  Mayo Clinic
  Mayo Foundation for Medical Education and Research, 2025