Dirty vs That's a filthy animal

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

Dirty

Top 1,000 (very common)A1adjective

That's a filthy animal

InformalBeyond 10,000 (less common)
Most formal: DirtyMost common: Dirty
 DirtyThat's a filthy animal
Pronunciation🇬🇧 /["/ˈdɜːti/"]/🇺🇸 /["/ˈdɜːrti/"]/🇬🇧 //ðæts ə ˈfɪlθi ˈænɪməl//🇺🇸 //ðæts ə ˈfɪlθi ˈænəməl//
MeaningNot clean; covered in dirt or mess.This is a very dirty or unpleasant animal.
ExampleThe dirty shirt needs to be washed.That's a filthy animal, rolling around in the mud!
RegisterNeutralInformal
How commonTop 1,000 (very common)Beyond 10,000 (less common)
CEFR levelA1-
Part of speechadjective
Collocationsbe, feel, look, extremely, fairly, veryfilthy conditions, filthy behavior, filthy rich
Antonymsclean, pure, neat-
Common mistakesConfusing with 'dainty', which means delicate or nice., Using 'dirty' as a noun instead of an adjective., Overusing in a context where 'messy' or 'unclean' might be more appropriate.Using it in a polite conversation., Confusing 'filthy' with 'messy' (less extreme)., Not understanding it can be humorous.
Usage notesTypically used to describe something needing cleaning. Avoid in formal writing; can be used informally to describe someone's actions or behavior negatively.Used casually to express disgust or distaste, often in humorous contexts. Avoid in formal settings.

See it in real clips

Dirty
That's a filthy animal

Frequently asked questions: Dirty vs That's a filthy animal

What's the difference between Dirty and That's a filthy animal?

Dirty: Not clean; covered in dirt or mess. That's a filthy animal: This is a very dirty or unpleasant animal.

Which is more formal: Dirty and That's a filthy animal?

Dirty is the most formal of these.

Which is more common: Dirty and That's a filthy animal?

Dirty is the most common in everyday English.

Can you show an example of each?

Dirty: The dirty shirt needs to be washed. That's a filthy animal: That's a filthy animal, rolling around in the mud!

Can I use Dirty and That's a filthy animal interchangeably?

Not always. Dirty and That's a filthy animal 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.