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adjective American English pronunciation: dirty /ˈdɜrti/ 
Word Forms
  1. 1
    not clean

    I felt dirty, hungry, and cold.

    diseases spread by dirty water

    piles of dirty laundry

    dirty fingernails

  2. 3
    [usually before noun] using dishonest or unfair methods

    Politics is a dirty business.

    a dirty fighter

  3. 5
    American informal containing or having illegal drugs

    One of the competitors had a dirty urine sample.


hostile architecture

the design of buildings or public spaces in a way which discourages people from touching, climbing or sitting on them …

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boots on the ground

a situation in which a country's armed forces are physically present in an area of conflict …

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