'Dirtying' definitions:

Definition of 'dirtying'

From: WordNet
noun
The act of soiling something [syn: soiling, soilure, dirtying]

Definition of 'Dirtying'

From: GCIDE
  • Dirty \Dirt"y\, v. t. [imp. & p. p. Dirtied; p. pr. & vb. n. Dirtying.]
  • 1. To foul; to make filthy; to soil; as, to dirty the clothes or hands. [1913 Webster]
  • 2. To tarnish; to sully; to scandalize; -- said of reputation, character, etc. [1913 Webster]

Definition of 'dirtying'

From: GCIDE
  • dirtying \dirtying\ n. the act of soiling something.
  • Syn: soiling, soilure. [WordNet 1.5]