Definition of "smug" []

• Exhibiting or feeling great or offensive satisfaction with oneself or with one's situation; self-righteously complacent: "the smug look of a toad breakfasting on fat marsh flies” ( William Pearson). (adjective)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "The same may be said of ‘sconce’, in this sense at least; of ‘nowl’ or ‘noll’, which Wiclif uses; of ‘slops’ for trousers (Marlowe’s _Lucan_); of ‘cocksure’ (Rogers), of ‘smug’, which once meant no more than adorned (“the _smug_ bridegroom”, Shakespeare)."
• "Every time Mr. Gogan saw me smile at a customer, he seemed so pleased with himself I worried that his face might freeze in an expression of smug exhilaration."
• "There it will lay, because while smug is annoying, it's not THAT big a deal."