|Origin:||ambitio, from ambire; AMBIENT|
a strong desire to achieve something
achieve/fulfil/realize an ambition
She fulfilled her ambition to run the 10,000 metres in under 30 minutes.
He always had this burning ambition (=very strong desire) to start his own business.
the political ambitions of the working class
an ambition to do something/of doing something
His ambition to become a pilot was thwarted by poor eyesight.
cherish/nurse/harbour an ambition (=have it secretly for a long time)
He harboured ambitions of becoming leader.
determination to be successful, rich, powerful etc: