A strong desire to achieve something: ambition, aspiration, emulation.

What is the meaning of ambitiousness?

See synonyms for: ambitious / ambitiousness on Thesaurus.com. adjective. having ambition; eagerly desirous of achieving or obtaining success, power, wealth, a specific goal, etc.: ambitious students.

What is the noun for ambitious?

1[countable] something that you want to do or achieve very much It had been her lifelong ambition. political/presidential/nuclear ambitions ambition of being/doing something She never achieved her ambition of becoming a famous writer. ambition to be/do something His burning ambition was to study medicine.