complacent

/kəm-ˈplā-sᵊnt/

Latin complacent-, complacens, present participle of complacēre to please greatly, from com- + placēre to please

adjective

  1. marked by self-satisfaction especially when accompanied by unawareness of actual dangers or deficiencies : marked by complacency : self-satisfied

  2. complaisant

  3. unconcerned

a complacent smile

noun

  1. complacent satisfaction with oneself or one's position or achievements : complacency, self-satisfaction

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