from The American Heritage® Dictionary of the English Language, 4th Edition
- n. Slang A person who holds moderately leftist political views; a pink.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A socialist who is not wholly communist.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a person with mildly leftist political views
From the term red, affiliated with communism, as pink is a lighter, more diluted form. (1936) (Wiktionary)