Ambitious

Webster's Dictionary

(1): (a.) Springing from, characterized by, or indicating, ambition; showy; aspiring; as, an ambitious style.

(2): (a.) Strongly desirous; - followed by of or the infinitive; as, ambitious to be or to do something.

(3): (a.) Possessing, or controlled by, ambition; greatly or inordinately desirous of power, honor, office, superiority, or distinction.

International Standard Bible Encyclopedia

am -bish´us ( φιλοτιμέομαι , philotiméomaı̄ , "to be strongly desirous," "strive earnestly," "make it one's aim"): Given as a marginal reading in  Romans 15:20 ("being ambitious to bring good tidings"),   2 Corinthians 5:9 ("We are ambitious, whether at home or absent, to be well-pleasing unto him"), and   1 Thessalonians 4:11 ("that ye be ambitious to be quiet").