9 letters · 13 points in Scrabble
adjective having a strong desire for success or achievement
adjective requiring full use of your abilities or resources
originFrom Middle English ambitious, from Middle French ambitieus, from Latin ambitiosus, from ambitio; see ambition. Compare with French ambitieux. By surface analysis, ambit + -ious.
Etymology from Wiktionary, CC BY-SA 3.0