[英単語 Vocabulary] complacent

complacent (adjective)

【形】
〈軽蔑的〉〔現状に〕自己満足した
〈軽蔑的〉無頓着な、無関心な
（英辞郎より　http://eow.alc.co.jp/search?q=complacent）


語源：
1650s, "pleasing," from L. complacentem (nom. complacens) "pleasing," prp. of complacere "be very pleasing". Meaning "pleased with oneself" is from 1767. Related: Complacently.


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