1. Having a strong desire for success or achievement
   - aspirational 
2. Requiring full use of your abilities or resources
   "ambitious schedule"
   - challenging

See also: ambition, ambitiously, ambitiousness, aspirant, aspiring, compulsive, determined, difficult, driven, enterprising, go-getting, hard, manqué, overambitious, pushful, pushy, wishful, would-be

Antonym: unambitious

Encyclopedia: Ambitious

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