com ‧ pla ‧ cent /kəmˈpleɪs ə nt/ BrE AmE adjective
[ Date: 1600-1700 ; Language: Latin ; Origin: present participle of complacere 'to please greatly' , from com- ( ⇨ COM- ) + placere 'to please' ]
pleased with a situation, especially something you have achieved, so that you stop trying to improve or change things – used to show disapproval:
There’s a danger of becoming complacent if you win a few games.
a complacent attitude towards the problem
complacent about
We simply cannot afford to be complacent about the future of our car industry.
—complacently adverb