from The American Heritage® Dictionary of the English Language, 4th Edition
- adj. Blandly conventional, especially when considered as typical of white middle-class America: "The proven ability of blacks to appeal to mainstream America ... shattered forever the mythology that only white-bread 'mainstream' culture could sell” ( Joel Kotkin).
from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. conventional and boring
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- adj. of or belonging to or representative of the white middle class
From white bread. (Wiktionary)