Eager
Part of speech: noun
Definition: A tidal bore.
Part of speech: adjective
Definition: Sharp; sour; acid. Sharp; keen; bitter; severe. 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. Brittle; inflexible; not ductile.
Example sentence: There is a great deal of difference between an eager man who wants to read a book and the tired man who wants a book to read.
Zealous
Part of speech: adjective
Definition: Full of zeal; ardent, fervent.