Part or all of this entry has been imported from the 1913 edition of Webster’s Dictionary, which is now free of copyright and hence in the public domain. The imported definitions may be significantly out of date, and any more recent senses may be completely missing.
Etymology 1 
- (obsolete) sharp; sour; acid.
- (obsolete) sharp; keen; bitter; severe.
- (Can we clean up(+) this sense?) Excited by desire in the pursuit of any object; ardent to pursue, perform, or obtain; keenly desirous; hotly longing; earnest; zealous; impetuous; vehement.
- The hounds were eager in the chase.
- I was eager to show my teacher how much I'd learned over the holidays.
- You stayed up all night to get to the front of the queue. You must be very eager to get tickets.
- brittle; inflexible; not ductile.
Derived terms 
Etymology 2 
eager (plural eagers)
- eager in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913
- eager in The Century Dictionary, The Century Co., New York, 1911
- eager at OneLook Dictionary Search