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Definition of filthy

filthy

/ˈfɪl.θi/
fil · thy
Adverb:filthily
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filthy Lexical Profile

filthy Game Scores & Validity

• adjective

1

Disgustingly dirty; covered in or characterized by foul matter.

Example

"The children came inside with filthy boots after playing in the mud all afternoon."

2

Obscene, offensive, or morally corrupt.

Example

"The comedian was criticized for relying too heavily on filthy jokes during the broadcast."

3

Extremely unpleasant, severe, or stormy (especially of weather or a person's mood).

Example

"We decided to postpone our hike across the moors because of the filthy weather."

Synonyms
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Antonyms
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• adverb

1

To an extreme or offensive degree (used chiefly in the phrase 'filthy rich').

Example

"After selling his software startup, he became filthy rich overnight."

Synonyms
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Antonyms
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• Nearby Words

filth
filthily
filthiness
filthy
filtrate
filtration
fimi

Word Origin & Etymology

Formed in the 14th century from the noun 'filth' plus the suffix '-y', tracing back to Old English 'fylth' (foulness, impurity), which is related to 'foul'.

Cite this Entry

Wordmom. (2026). Definition of Filthy. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/filthy
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