The American Heritage® Dictionary of the English Language, 4th Edition
v. To make ashamed or uneasy; disconcert. See Synonyms at embarrass.
the GNU version of the Collaborative International Dictionary of English
v. To destroy the self-possession of; to confuse or confound, as by exciting suddenly a consciousness of guilt, mistake, or inferiority; to put to shame; to disconcert; to discomfit.
The Century Dictionary and Cyclopedia
To confuse or confound, as by suddenly exciting a consciousness of guilt, error, inferiority, etc.; destroy the self-possession of; make ashamed or dispirited; put to confusion.
To stand or be confounded; lose self-possession.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
v. cause to be embarrassed; cause to feel self-conscious
Word Usage
"“And sore must be the storm / That could abash the little bird / That kept so many warm.”"