dirtying

dirt·y  (dûrt)

adj. dirt·i·er, dirt·i·est

1.

a. Soiled, as with dirt; unclean.

b. Spreading dirt; polluting: The air near the foundry was always dirty.

c. Apt to soil with dirt or grime: a dirty job at the garage.

d. Contaminated with bacteria or other infectious microorganisms.

2. Squalid or filthy; run-down: dirty slums.

3.

a. Obscene or indecent: dirty movies; a dirty joke.

b. Malicious or scandalous: a dirty lie.

4.

a. Unethical or corrupt; sordid: dirty politics.

b. Not sportsmanlike: dirty players; a dirty fighter.

c. Acquired by illicit or improper means: dirty money.

d. Slang Possessing or using illegal drugs.

5.

a. Unpleasant or distasteful; thankless: Laying off workers is the dirty part of this job.

b. Extremely unfortunate or regrettable: a dirty shame.

6. Expressing disapproval or hostility: gave us a dirty look.

7. Not bright and clear in color; somewhat dull or drab. Often used in combination: dirty-blonde hair; dirty-green walls.

8. Producing a very great amount of long-lived radioactive fallout. Used of nuclear weapons.

9. Stormy; rough: dirty weather.

v. dirt·ied, dirt·y·ing, dirt·ies

v.tr.

1. To make soiled.

2. To stain or tarnish with dishonor.

v.intr.

To become soiled.

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dirti·ly adv.

dirti·ness n.

Synonyms: dirty, filthy, foul, squalid, grimy
These adjectives apply to what is unclean, impure, or unkempt. Dirty is the most general: dirty clothes; dirty sidewalks.
Something that is filthy is disgustingly dirty: filthy rags.
Foul suggests gross offensiveness, particularly to the sense of smell: a foul stench; a foul pond.
Squalid suggests dirtiness, wretchedness, and sordidness: lived in a squalid apartment.
Grimy describes something ingrained or smudged with dirt or soot: grimy hands.

Thesaurus

Noun

1.

dirtying - the act of soiling something soiling, soilure change of state - the act of changing something into something different in essential characteristics spotting, staining, maculation - the act of spotting or staining something contamination, pollution - the act of contaminating or polluting; including (either intentionally or accidentally) unwanted substances or factors