dirtˈy adjective

1. Marked with dirt
2. Soiled
3. Foul, filthy
4. (of a colour) not bright or clear
5. Stormy
6. Obscene
7. Unclean in thought or conversation
8. Despicable
9. Showing anger or reproof
10. Mean
11. Sordid
12. Dishonest, treacherous
13. Unsportingly rough

1. To soil with dirt
2. To sully

1. In a dirty manner
2. (as an intensifier) enormous

dirtˈbag noun (slang)

A contemptible person

dirtˈ-bed noun

A quarryman's term for a layer representing an old soil, esp in the Purbeck group

dirt bike noun

A motorcycle designed for riding on dirt tracks

dirtˈ-eating noun

1. A practice of eating clay as among various primitive peoples
2. A morbid impulse to eat dirt

dirt farmer noun (US)

A person who farms his or her own land, esp without hired help

dirtˈ-pie noun

Mud moulded by children in play

dirtˈ-poor adjective

Utterly poor, destitute

dirt road noun (Aust, N American and NZ)

A soft road, unpaved and unmacadamized

dirtˈ-rottˈen adjective (Shakespeare)

Wholly decayed

dirt track noun

1. A rough unsurfaced track
2. A motorcycle racing-track, with earthy or cinder surface

dirty bomb noun

One that produces a large amount of radioactive contamination

dirty dog noun (informal)

A dishonest or contemptible person

dirty linen noun (informal)

Personal problems or grievances (esp in the phrase wash one's dirty linen in public to discuss private matters publicly)

dirty look noun (informal)

A look of anger, disapproval or reproof

dirty money noun

1. Money earned by immoral or illegal means
2. (in dock labour) extra pay for unloading offensive cargo
3. Extra pay for any unpleasant, dirty, etc task

dirty old man noun (informal)

A man whose sexual aspirations and actions are considered appropriate only to a younger man

dirty trick noun

1. A dishonest or despicable act
2. A political intrigue, esp in the phrase dirty-tricks campaign or operation

dirty war noun

A conflict in which international conventions regarding the humane treatment of prisoners, civilians, etc are ignored

dirty weekend noun (informal)

A weekend containing much sexual activity, esp away from home and with someone other than one's usual partner

dirty word noun

1. An obscene word
2. A word for something (such as a feeling, principle, or belief) that is regarded with disfavour at the present time

dirty work noun

1. Work that dirties the hands or clothes
2. Dishonourable practices, esp undertaken on behalf of another person
3. Foul play

dirt cheap see under cheap

dish the dirt (informal)

To distribute spiteful gossip, deal out malicious stories (about a person)

do the dirty on

To play a low trick on, cheat

eat dirt

To acquiesce submissively in a humiliation

throw dirt

To besmirch a reputation