›too pleased or satisfied about something you have achieved or something you know: a smug grinShe deserved her promotion, but I wish she wasn't so damned smug about it.There was a hint of smug self-satisfaction in her voice.He's been unbearably smug since he gave up smoking.Satisfied and complacentShowing arrogance and conceitConfidence and self-assuranceShowing arrogance and conceitConfidence and self-assuranceBoastingsmugness
/ˈsmʌɡ.nəs/noun[U]Satisfied and complacentShowing arrogance and conceitConfidence and self-assuranceShowing arrogance and conceitConfidence and self-assuranceBoasting