Ambitious

a.	1.	Possessing, or controlled by, ambition; greatly or inordinately desirous of power, honor, office, superiority, or distinction. Yet Brutus says he was ambitious, And Brutus is an honorable man. - Shak.
	2.	Strongly desirous; - followed by of or the infinitive; as, ambitious to be or to do something. I was not ambitious of seeing this ceremony. - Evelyn. Studious of song, and yet ambitious not to sing in vain. - Cowper.
	3.	Springing from, characterized by, or indicating, ambition; showy; aspiring; as, an ambitious style. A giant statue . . . Pushed by a wild and artless race, From off wide, ambitious base. - Collins.

Adj.	1.	ambitious - having a strong desire for success or achievement Antonyms: ambitionless, unambitious - having little desire for success or achievement
	2.	ambitious - requiring full use of your abilities or resources; "ambitious schedule"; "performed the most challenging task without a mistake" Synonyms: challenging

adventuresome, adventurous, aggressive, anxious, audacious, avaricious, avid, bold, careerist, careeristic, chimerical, classy, daring, driving, dynamic, eager, emulous, energetic, enterprising, enthusiastic, extravagant, fancy, flossy, forceful, go-ahead, grandiose, greedy, hard-working, high-flown, high-flying, high-reaching, high-toned, highfalutin, highfaluting, hopeful, hustling, impractical, indefatigable, keen, lofty, on the make, ostentatious, overambitious, overzealous, power-hungry, pretentious, pushful, pushing, pushy, sky-aspiring, social-climbing, tony, unrealistic, up-and-coming, utopian, vaulting, vaunting, venturesome, venturous, vigorous, visionary, yuppy, zealous