Too zealous; too enthusiastic or fervent.
"With his overzealous attempts to impress, he only managed to annoy her."
Full of zeal; ardent, fervent; exhibiting enthusiasm or strong passion.
too zealous in one's attitude or behaviour
"he's been overzealous in handing out parking tickets"
having or showing zeal
"the council was extremely zealous in the application of the regulations"
Filled with, or characterized by, zeal; warmly engaged, or ardent, in behalf of an object.
Filled with religious zeal.
marked by excessive enthusiasm for and intense devotion to a cause or idea;
marked by active interest and enthusiasm;
"an avid sports fan"
"a great walker"
"an eager beaver"