Simple Definition of complacency

from our Learner's Dictionary

complacency

noun

: a feeling of being satisfied with how things are and not wanting to try to make them better : a complacent feeling or condition
The public was lulled into complacency.
The stock market crash rattled/shattered/shook our complacency. [=took away our feeling that everything was fine]

Cite this Entry

“Complacency.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/complacency. Accessed 14 Apr. 2026.

More from Merriam-Webster on complacency

More from Merriam-Webster