Emulous

Part of speech: adjective (a.)

1. Ambitiously desirous to equal or even to excel another; eager to emulate or vie with another; desirous of like excellence with another; -- with of; as, emulous of another's example or virtues.

2. Vying with; rivaling; hence, contentious, envious. "Emulous Carthage." B. Jonson. Emulous missions 'mongst the gods. Shak.