from The American Heritage® Dictionary of the English Language, 4th Edition

  • adj. Contented to a fault; self-satisfied and unconcerned: He had become complacent after years of success.
  • adj. Eager to please; complaisant.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • adj. Uncritically satisfied with oneself or one's achievements; smug.
  • adj. Apathetic with regard to an apparent need or problem.

from the GNU version of the Collaborative International Dictionary of English

  • adj. Self-satisfied; contented; kindly.

from The Century Dictionary and Cyclopedia

  • Civil; kindly; giving pleasure. See complaisant (now generally used in this sense).
  • Accompanied with or springing from a sense of quiet enjoyment; gratified; satisfied: as, a complacent look or smile.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • adj. contented to a fault with oneself or one's actions


from The American Heritage® Dictionary of the English Language, 4th Edition

Latin complacēns, complacent-, present participle of complacēre, to please : com-, intensive pref.; see com- + placēre, to please; see plāk-1 in Indo-European roots.

from Wiktionary, Creative Commons Attribution/Share-Alike License

From Latin complacens ("very pleasing"), present participle of complacere ("to please at the same time, be very pleasing"), from com- ("together") + placere ("to please"); see please and compare complaisant.


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