—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.
Phrases and idioms:
exact science a science admitting of absolute or quantitative precision.
Derivatives:
exactable adj. exactitude n. exactness n. exactor n.
Etymology: L exigere exact- (as EX-(1), agere drive)
Useful english dictionary. 2012.