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fecal

American  
[fee-kuhl] / ˈfi kəl /

adjective

  1. of, relating to, or being feces.

fecal British  
/ ˈfiːkəl /

adjective

  1. the usual US spelling of faecal

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of fecal

First recorded in 1535–45; fec(es) + -al 1

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.

The research team also followed one patient whose symptoms improved after receiving a fecal microbiota transplantation when other treatments had not worked.

From Science Daily • Jan. 13, 2026

After a second fecal transplant, using a different antibiotic pretreatment, the patient remained symptom-free for more than 16 months.

From Science Daily • Jan. 13, 2026

Contamination by bacteria from fecal matter has been found on several occasions in the wells supplying Perrier, especially after heavy rainfall.

From Barron's • Nov. 18, 2025

Santa Monica Pier routinely tops the yearly list of the state’s dirtiest beaches by environmental nonprofit Heal the Bay, which tests waters up and down the California coast for fecal bacteria, which can harm beachgoers.

From Los Angeles Times • Sep. 15, 2025

“Did you know that toxoplasmosis and campylobacteriosis are transmitted to humans from the fecal matter of cats?”

From "I'll Give You the Sun" by Jandy Nelson

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.