eager
Desirous; keen to do or obtain something.
Example
“Stacey is very eager to go cycling this weekend.”
Other meanings
Not employing lazy evaluation; calculating results immediately, rather than deferring calculation until they are required.
“an eager algorithm”
Brittle; inflexible; not ductile.
Word history
From Latin "ācrus".
Where this comes from
This definition is adapted from “eager” on Wiktionary, by its contributors, published under CC BY-SA 4.0. This page is published under the same licence.