Definition of Complacency

a feeling of self-satisfaction that makes one unaware of one’s environment

Examples of Complacency in a sentence

Because of the complacency of the guards, enemy spies were able to sneak into the castle.  🔊

Jill’s husband was not able to see through his veil of complacency until Jill left him for another man.  🔊

Despite rumors of a rapist in the area, Carol’s complacency led her to believe it was safe to run alone in the park at night.  🔊

The world’s complacency allowed Hitler to invade Poland and start World War II.  🔊

With a sense of complacency, the foolish rabbit took a nap during his race against the turtle.  🔊

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