bah

[bah, ba]
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British Dictionary definitions for bah

bah

interjection
  1. 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