fecal

adjective

fe·​cal ˈfē-kəl 

: of, relating to, or constituting feces

Examples of fecal in a Sentence

Recent Examples on the Web

But an analysis of fecal data from 18 wild gibbons and four museum specimens indicates the opposite, according to the paper. —Julia Jacobo, ABC News, 16 Feb. 2026

Also required is proof of a negative fecal test for internal parasites. —Adam Harrington, CBS News, 16 Feb. 2026

For patients interested in fecal microbiota transplants, Koh and Wargo recommend talking to your oncologist. —Miriam Fauzia, Dallas Morning News, 3 Feb. 2026

However, researchers noted that fecal microbiota transplantation (FMT) is used today as a treatment to restore gut flora in the colon, representing a modern application for healthy feces. —Maria Mocerino, Interesting Engineering, 31 Jan. 2026

Word History

Etymology

borrowed from Medieval Latin faecālis, from Latin faec-, faex "wine lees, tartar, dregs" (Medieval Latin also "excrement") + -ālis -al entry 1

First Known Use

1541, in the meaning defined above

Rhymes for fecal

• caecal
• faecal
• meikle
• treacle
• ileocecal

Medical Definition

fecal

adjective

fe·​cal

variants or chiefly British faecal

ˈfē-kəl 

: of, relating to, or constituting feces

fecal incontinence

fecal matter

fecally adverb

or chiefly British faecally

-kə-lē