Dictionary
am•bi•tious
Pronunciation: (am-bish'us), [key]—
adj.
1. having ambition; eagerly desirous of achieving or obtaining success, power, wealth, a specific goal, etc.:
ambitious students.
2. showing or caused by ambition:
an ambitious attempt to break the record.
3. strongly desirous; eager:
ambitious of love and approval.
4. requiring exceptional effort, ability, etc.:
an ambitious program for eliminating all slums. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.