Dictionary.com

complacency

[ kuhm-pley-suhn-see ]
/ kəmˈpleɪ sən si /
Save This Word!

noun, plural com·pla·cen·cies.
a feeling of quiet pleasure or security, often while unaware of some potential danger, defect, or the like; self-satisfaction or smug satisfaction with an existing situation, condition, etc.
Archaic.
  1. friendly civility; inclination to please; complaisance.
  2. a civil act.
QUIZ
CAN YOU ANSWER THESE COMMON GRAMMAR DEBATES?
There are grammar debates that never die; and the ones highlighted in the questions in this quiz are sure to rile everyone up once again. Do you know how to answer the questions that cause some of the greatest grammar debates?
Question 1 of 7
Which sentence is correct?
Also com·pla·cence [kuhm-pley-suhns]. /kəmˈpleɪ səns/.

Origin of complacency

From the Medieval Latin word complacentia, dating back to 1635–45. See complacent, -cy

OTHER WORDS FROM complacency

non·com·pla·cence, nounnon·com·pla·cen·cy, noun, plural non·com·pla·cen·cies.o·ver·com·pla·cence, nouno·ver·com·pla·cen·cy, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use complacency in a sentence

British Dictionary definitions for complacency

complacency

complacence

/ (kəmˈpleɪsənsɪ) /

noun plural -cencies or -cences
a feeling of satisfaction, esp extreme self-satisfaction; smugness
an obsolete word for complaisance
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
FEEDBACK