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English definition of “smug”


adjective     /smʌɡ/
too pleased with your skill or success in a way that annoys other people: a smug smileSatisfied and complacentShowing arrogance and conceitConfidence and self-assurance
smugly adverb "I've never lost a match yet," she said smugly.
(Definition of smug adjective from the Cambridge Learner's Dictionary © Cambridge University Press)

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