Wordnet 3.0
NOUN (1)
1.
goods or money obtained illegally;
[syn: loot, booty, pillage, plunder, prize, swag, dirty money]
WordNet (r) 3.0 (2006):
dirty money
n 1: goods or money obtained illegally [syn: loot, booty,
pillage, plunder, prize, swag, dirty money]