Definition of smug adjective from the Oxford Advanced American Dictionary



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  1. 1looking or feeling too pleased about something you have done or achieved synonym complacent
  2. 2 a smug expression/smile/face, etc. What are you looking so smug about?
adverb He smiled smugly as the results were announced.
noun [uncountable] There was a hint of smugness in her voice.
See the Oxford Advanced Learner's Dictionary entry: smug