Definition

1. Adjective:
   • Disgustingly dirty; filled or smeared with offensive matter: Extremely unclean, often to the point of being repulsive or contaminated.
   • Vile; despicable; morally repulsive: Used to describe something or someone considered profoundly contemptible or wicked.
   • Characterized by obscenity; foul: Pertaining to language, jokes, or material that is lewd, vulgar, or profane.

Usage and Examples

• Describing extreme physical dirtiness:
  • The abandoned room was filthy, with grime covering every surface.
  • After playing in the mud, the children's clothes were absolutely filthy.
• Describing something morally repugnant:
  • That was a filthy lie designed to ruin his reputation.
  • He's known for his filthy business practices.
• Describing obscene or vulgar content:
  • The comedian told a series of filthy jokes.
  • She was shocked by the filthy language in the film.

Advanced Usage and Nuances

• "Filthy rich": An informal idiom meaning extremely wealthy.
  • He made a fortune in tech and is now filthy rich.
• "Filthy weather": Used informally to describe very unpleasant, rainy, or stormy weather conditions.
  • We can't go out in this filthy weather.

Variants and Related Words

• Filth (n): Disgusting dirt or refuse; morally offensive or obscene material.
  • The alley was full of garbage and other filth.
• Filthily (adv): In a filthy manner.
  • The kitchen was filthily dirty.
• Filthiness (n): The state or quality of being filthy.
  • The filthiness of the public restroom was appalling.

Synonyms

• Foul: Offensively dirty or polluted; morally detestable.
• Squalid: Dirty and unpleasant, especially as a result of poverty or neglect.
• Grubby: Dirty; grimy.
• Obscene: Offensive to moral principles; indecent.
• Despicable: Deserving hatred and contempt.

Antonyms

• Clean: Free from dirt, marks, or stains.
• Pure: Not mixed or adulterated with any other substance or material; free of moral fault.
• Spotless: Absolutely clean or pure; immaculate.
• Decent: Conforming with generally accepted standards of respectable or moral behavior.

Related Idioms and Phrases

• Filthy lucre: Money, especially when regarded as gained in a dishonorable or distasteful way. (Often used humorously or ironically).
  • He was only in it for the filthy lucre.

Adjective

1. characterized by obscenity
   • had a filthy mouth
   • foul language
   • smutty jokes
2. vile; despicable
   • a dirty (or lousy) trick
   • a filthy traitor
3. disgustingly dirty; filled or smeared with offensive matter
   • as filthy as a pigsty
   • a foul pond
   • a nasty pigsty of a room