Definition of complacent in English:

complacent

adjective

  • Showing smug or uncritical satisfaction with oneself or one's achievements.

    ‘you can't afford to be complacent about security’
    • ‘However, residents have been warned they cannot afford to be complacent.’
    • ‘In all of this praise, however, there is a severe danger that we might become complacent.’
    • ‘However, he is not being complacent and has already started training hard.’
    • ‘It is always wise to guard against adopting a complacent or smug attitude in life as one ages.’
    • ‘Nothing is 100 percent safe and nobody should be complacent at a cash machine.’
    • ‘I am very happy with the figures but I am aware we cannot become complacent.’
    • ‘You only get one life, and if all you ever do with it is grow rich or complacent or comfortable or proud then you might as well not have lived at all.’
    • ‘Plus, decades of access to cheap oil has made us lazy and complacent about energy.’
    • ‘There are many actions that companies can take to give staff a sense of security without making them complacent.’
    • ‘With 66 deaths on our roads every week, none of us can afford to be complacent.’
    • ‘As the minister for justice he was obviously very complacent about the letter sent to him by the fingerprint expert.’
    • ‘His duty is to arouse the sleeper, to shake the complacent pillars of the world.’
    • ‘While this lead will shrink before polling day, you might think he'd be a tad complacent.’
    • ‘Trying different things keeps you alive and stops you being complacent.’
    • ‘Most of the time he simply can't be bothered with it because he truly is lazy and complacent.’
    • ‘Why are so few people scandalised by the timorous, seemingly complacent, way that the police behaved?’
    • ‘I had been complacent, even blasé, about someone who was really important to me.’
    • ‘The novelty of them has worn off and no team will again head north with the complacent attitude of an easy win and a night in Edinburgh.’
    • ‘The second was made up of complacent industries relying on politicians and bureaucrats to protect them.’
    • ‘But the superintendent is not complacent and is keen to reassure people there is still work to be done.’
    smug, self-satisfied, pleased with oneself, proud of oneself, self-approving, self-congratulatory, self-admiring, self-regarding
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Usage

Complacent and complaisant are two words that are similar in pronunciation and that both come from the Latin verb complacere ‘to please,’ but in English do not mean the same thing. Complacent is the more common word and means ‘smug and self-satisfied’: after four consecutive championships, the team became complacent. Complaisant, on the other hand, means ‘willing to please’: the local people proved complaisant and cordial

Origin

Mid 17th century (in the sense ‘pleasant’): from Latin complacent- ‘pleasing’, from the verb complacere.

Pronunciation

complacent

/kəmˈpleɪs(ə)nt//kəmˈplās(ə)nt/