Definition of eager :
1. Brittle; inflexible; not ductile.
2. Excited by desire in the pursuit of any object; ardent to pursue, perform, or obtain; keenly desirous; hotly longing; earnest; zealous; impetuous; vehement; as, the hounds were eager in the chase.
3. Same as Eagre.
4. Sharp; keen; bitter; severe.
5. Sharp; sour; acid.
keen, agog, importunate, calibre, great, bore-hole, vehement, raring, athirst, aegir, overeager, champing at the bit, bore, anxious, hot, gauge, avid, dying, thirsty, bursting, caliber, intent, drill hole, eagre, tidal bore, ready and willing, impetuous, dullard, solicitous, concern, intense, impatient, glowing
desirous (part of speech: adjective)
enthusiastic (part of speech: adjective)
active (part of speech: adjective)
hopeful (part of speech: adjective)
willing (part of speech: adjective)
cooperative, tame, agreeable, malleable, flexible, submissive, compliant, amenable, receptive, acquiescent, pliant, persuadable, pliable, adaptable, yielding, tractable, ready, willing, plastic, biddable, assenting, susceptible, ductile
vigorous (part of speech: adjective)
fervent, energetic, burning, spirited, emphatic, hearty, animated, full-blooded, passionate, potent, mettlesome, sprightly, fiery, zestful, frisky, impassioned, agitated, afire, enthusiastic, prolific, puissant, excited, peppy, zealous, industrious, zippy, strenuous, strong, vigorous, earnest, lively, virile, powerful, lusty, active, ardent, exuberant, ablaze