Overhaste — O ver*haste , n. Too great haste. [1913 Webster] … The Collaborative International Dictionary of English
overhaste — noun excessive, undue haste … Wiktionary
Over — O ver, a. 1. Upper; covering; higher; superior; chiefly used in composition; as, overshoes, overcoat, over garment, overlord. [1913 Webster] 2. Excessive; too much or too great; chiefly used in composition; as, overwork, overhaste, overreaction.… … The Collaborative International Dictionary of English
premature — premature, untimely, forward, advanced, precocious are comparable though rarely interchangeable when they mean unduly early in coming, happening, or developing. Premature applies usually to something which takes place before its due or proper… … New Dictionary of Synonyms