The word "couldn" is a contraction of "could not." It means that someone was not able to do something or was unable to complete a task. Full definition
After dealing with issues with my previous vehicle and feeling like I just couldn??? t win Brooke made sure that I was able to trade my car in and leav... e with a brand new 2017 cla. (cars.com)
This dessert / snack / breakfast meal couldn ' t be easier to prepare. (ketodietapp.com)
Couldn not be happier with our experience. (cars.com)