adj. & v.
adj. 1 accurate; correct in all details (an exact description). 2 a precise. b (of a person) tending to precision.
v.tr. (often foll. by from, of) 1 demand and enforce payment of (money, fees, etc.) from a person. 2 a demand; insist on. b (of circumstances) require urgently. exact science a science admitting of absolute or quantitative precision. exactable adj. exactitude n. exactness n. exactor n.
[ L exigere exact- (as EX-(1), agere drive) ]