Source : Webster's Revised Unabridged Dictionary (1913)

Overhasty \O"ver*has"ty\, a.
   Too hasty; precipitate; rash. -- {O"ver*has"ti*ly}, adv. --
   {O`ver*has"ti*ness}, n.

Source : WordNet®

overhasty
     adj : done with very great haste and without due deliberation;
           "hasty marriage seldom proveth well"- Shakespeare;
           "hasty makeshifts take the place of planning"- Arthur
           Geddes; "rejected what was regarded as an overhasty
           plan for reconversion"; "wondered whether they had been
           rather precipitate in deposing the king" [syn: {hasty},
            {precipitate}, {precipitant}, {precipitous}]