filth

noun

ˈfilth 

1

: foul or putrid matter

especially : loathsome dirt or refuse

2

a

: moral corruption or defilement

b

: something that tends to corrupt or defile

Synonyms

• crud
• dirt
• grime
• gunk
• muck
• smut
• soil

Examples of filth in a Sentence

He emerged from the cellar covered in filth.

the filth of the slaughterhouse

living in filth and squalor

Recent Examples on the Web

The show was a benefit for Willowbrook, a home for disabled children and adults that allowed its patients to wallow in filth and degradation. —David Browne, Rolling Stone, 11 Apr. 2025

Ultimately, what all of this research reveals is that the planet is dirty, even if the filth can be hard to see. —Benji Jones, Vox, 10 Mar. 2025

This insider will not only remain a secret to the staff, but will also help Ramsay infiltrate the restaurant after-hours for a dramatic nighttime black light kitchen investigation that reveals more filth and grossness than ever before. —Marc Berman, Forbes.com, 10 Apr. 2025

Ultimately, what all of this research reveals is that the planet is dirty, even if the filth can be hard to see. —Benji Jones, Vox, 10 Mar. 2025

Word History

Etymology

Middle English, from Old English fȳlth, from fūl foul

First Known Use

before the 12th century, in the meaning defined at sense 1

Rhymes for filth

• tilth

Kids Definition

filth

noun

ˈfilth 

1

: disgusting dirt or waste

2

: something that tends to disgust, offend, or dirty