Dirt vs Filth

When to use each in English, with meaning, register, and examples.

Dirt

Top 1,000 (very common)B1noun

Filth

Top 5,000 (fairly common)
Most common: Dirt
 DirtFilth
Pronunciation🇬🇧 /["/dɜːt/"]/🇺🇸 /["/dɜːrt/"]/🇬🇧 //fɪlθ//🇺🇸 //fɪlθ//
MeaningA loose soil or earth.Very dirty or something disgusting.
ExampleThe kids got dirt all over their clothes while playing outside.The house was covered in filth after the party.
RegisterNeutralNeutral
How commonTop 1,000 (very common)Top 5,000 (fairly common)
CEFR levelB1-
Part of speechnoun
Collocationsexcess, loose, ingrained, speck, streak, layer, be covered in, be covered with, brush off, accumulate, cover, fleck, particle, speck, excess, loose, soft, layer, be covered in, be covered with, dig, course, driveway, lane, in the dirt, have, get, dig, dirt  on, dish the dirtmoral filth, filth and grime, filth of poverty
Antonymsclean, purity, claritycleanliness, purity
Common mistakesConfused with 'earth' when referring to specific soil types., Used inappropriately in formal contexts., Assumed to only mean 'unclean' instead of 'soil' or 'earth'.Confusing 'filth' with 'litter'., Using 'filth' only for physical dirt; it can refer to moral issues too., Using 'filth' in overly formal contexts.
Usage notesUsed in everyday conversation. Appropriate in casual settings. Avoid in formal writing or discussions unless referring to specific contexts like gardening or geology.Use 'filth' for referring to dirt or moral corruption. More common in written contexts. Avoid in casual conversation.

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Filth

Frequently asked questions: Dirt vs Filth

What's the difference between Dirt and Filth?

Dirt: A loose soil or earth. Filth: Very dirty or something disgusting.

Which is more common: Dirt and Filth?

Dirt is the most common in everyday English.

Can you show an example of each?

Dirt: The kids got dirt all over their clothes while playing outside. Filth: The house was covered in filth after the party.

Can I use Dirt and Filth interchangeably?

Not always. Dirt and Filth are related and overlap in some contexts, but they differ in register, how common they are, and usage, so swapping one for another can change the meaning or tone. Check the differences above before substituting.

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