noun
definition:
When you have ambition, you have big goals for your life that you want to make come true. When you have a particular ambition, you have a certain goal that you want to reach. Probably you will try hard to have success in reaching it.
example:
Her ambition is to beat the world record in her sport.
His ambition was to become a doctor.
Parents usually want their children to have some ambition.
See the full entry in Wordsmyth Elementary Children’s Dictionary