what is meant by being complacent?
This is where I read the word -
"It was a critical step: not becoming complacent again and not letting up?

Question

what is meant by being complacent?
This is where I read the word -                                                                      
"It was a critical step: not becoming complacent again and not letting up?

Answer

being complacent means being pleased with a situation, especially if you have achieved something so that you stop trying to improve or change things

Answer

www.thefreedictionary.com/complacent

This is a wonderful resource for single words.