Overzealous

Adjective

 * 1) Too zealous; too enthusiastic, determined; too fervent.
 * With his overzealous attempts to impress, he only managed to annoy her.

Thesaurus
accident-prone, at fever pitch, balking, balky, bigoted, breakneck, bulldogged, bulletheaded, bullheaded, careless, case-hardened, delirious, desperate, devil-may-care, dogged, dogmatic, extravagant, extreme, extremist, fanatic, fanatical, febrile, feverish, frantic, frenetic, frenzied, furious, haggard, hardheaded, harum-scarum, hasty, headlong, headstrong, hectic, hotheaded, hurried, hysteric, impetuous, infatuated, inordinate, insane, intolerant, irrational, mad, mulish, obstinate, opinionated, overanxious, overdesirous, overdevout, overeager, overenthusiastic, overreligious, overrighteous, perfervid, persevering, pertinacious, pigheaded, precipitant, precipitate, precipitous, rabid, reckless, restive, sanctimonious, self-willed, set, slap-bang, slapdash, stiff-necked, strong-willed, strongheaded, stubborn, sulky, sullen, tenacious, ultrareligious, ultrazealous, uncooperative, unreasonable, unregenerate, wanton, wild, wild-eyed, wild-looking, willful, zealotic, zealous

Translations

 * German: