filth‧y 1 S3 / fɪlθi / 形容词 ( comparative filthier , superlative filthiest )

1 very dirty :

The house was filthy, with clothes and newspapers strewn everywhere.

2 showing or describing sexual acts in a very rude or offensive way

filthy language/story/joke etc

Your problem is you’ve got a filthy mind (= you are always thinking about sex ) .

3 showing anger or annoyance

filthy mood/temper

Simon had been drinking and was in a filthy temper.

She gave him a filthy look .

4 filthy weather/night/day the weather, a night etc that is very cold and wet :

It’s a filthy night to be out.

THESAURUS

dirty not clean : His clothes were untidy and he had dirty hands.

filthy very dirty : Each year filthy water causes millions of cases of illness.

muddy covered with mud : It had been raining hard and the path was muddy.

dusty covered with dust : the dusty shelves in the attic

greasy covered with oil or grease : Greasy food is bad for your health.

grubby ( also mucky British English ) informal fairly dirty and needing to be cleaned or washed : He was wearing a grubby white T-shirt. | mucky fingers

grimy covered with thick dirt or dirt that has been there a long time : I couldn’t see much out of the grimy windows of the train.

dingy / dɪndʒi / looking dark, dirty, and unpleasant. Used about rooms, houses, and buildings : We worked in a dingy little office behind the station.

polluted used about land, water, or air that has been made dirty : 85% of city dwellers breathe heavily polluted air.

contaminated made dirty by a dangerous substance or bacteria : The virus is mainly spread through contaminated food.

squalid / skwɒləd, skwɒlɪd $ skwɑ- / formal extremely dirty and unpleasant. Used about the place or conditions in which someone lives : People are living in squalid conditions, with little water and no sanitation.

unhygienic / ʌnhaɪdʒinɪk◂ $ -dʒe-, -dʒi- / formal used about dirty conditions that are likely to cause disease, especially conditions in kitchens, restaurants, and hospitals : The food was prepared under unhygienic conditions.

unsanitary ( also insanitary British English ) formal used about dirty conditions that are likely to cause disease, especially because there is not a good system for getting rid of waste : People’s health is being threatened by overcrowded and insanitary homes. | They work for long hours in unsanitary conditions.

soiled formal made dirty, especially by waste from your body : Soiled nappies should be changed as quickly as possible.