ambition
noun
uk/æmˈbɪʃən/ us [ C ]
a strong wish to achieve a particular thing:
ambition to do sth After his heart attack, he abandoned his ambition to become CEO.
achieve/fulfil/realize your ambition He has already achieved his main ambition in life - to become rich.
ultimate/long-term ambition Her ultimate ambition is to run her own business.
career ambitions.
political/personal/artistic ambitions
[ U ]
a strong wish to be successful:
She's got a lot of ambition.
I felt he lacked the ambition to succeed in showbusiness.