Do you know the meaning of the word temerity?
Temerity means excessive confidence, boldness or audacity.
It can also mean reckless confidence that might be offensive. Words that are similar in meaning to temerity include: Audacity, boldness, effrontery, impertinence, impudence, nerve
Let’s consider this word in a few sentences
I did not have the temerity to question my mum’s decision.
I am surprised your daughter had the temerity to challenge her teacher in class.
Now that you know what temerity means, you should be able to use it correctly in a sentence.