- (an exclamation of contempt or annoyance): Bah! Humbug!
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- an expression of contempt or disgust
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Word Origin and History for bah
exclamation of contempt, 1817, perhaps c.1600, probably from French bah, Old French ba, expressing surprise, scorn, dismay. Perhaps simply a natural exclamation in such situations; cf. Greek babai!, an exclamation of surprise.
Online Etymology Dictionary, © 2010 Douglas Harper