dirt Meaning, Definition & Usage

  1. noun the part of the earth's surface consisting of humus and disintegrated rock
    soil.
  2. noun the state of being covered with unclean things
    grease; filth; soil; grime; grunge; stain.
  3. noun obscene terms for feces
    poop; crap; shite; turd; shit.
  4. noun disgraceful gossip about the private lives of other people
    scandal; malicious gossip.
  5. adjective satellite (of roads) not leveled or drained; unsuitable for all year travel
    ungraded.

WordNet

Dirt noun
Etymology
OE. drit; kin to Icel. drit excrement, drita to dung, OD. drijten to dung, AS. gedritan.
Definitions
  1. Any foul of filthy substance, as excrement, mud, dust, etc.; whatever, adhering to anything, renders it foul or unclean; earth; as, a wagonload of dirt.
    Whose waters cast up mire and dirt. Is. lvii. 20.
  2. Meanness; sordidness.
    Honors . . . thrown away upon dirt and infamy. Melmoth.
  3. In placer mining, earth, gravel, etc., before washing.
Dirt transitive verb
Definitions
  1. To make foul of filthy; to dirty. Swift.

Webster 1913