Exact (?), a. [L. exactus precise, accurate, p. p. of exigere to drive out, to demand, enforce, finish, determine, measure; ex out + agere to drive; cf. F. exact. See Agent, Act.] 1. Precisely agreeing with a standard, a fact, or the truth; perfectly conforming; neither exceeding nor falling short in any respect; true; correct; precise; as, the clock keeps exact time; he paid the exact debt; an exact copy of a letter; exact accounts.
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I took a great pains to make out the exact truth. Jowett (Thucyd. )
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2. Habitually careful to agree with a standard, a rule, or a promise; accurate; methodical; punctual; as, a man exact in observing an appointment; in my doings I was exact. “I see thou art exact of taste.” Milton.
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3. Precisely or definitely conceived or stated; strict.
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An exact command,
Larded with many several sorts of reason. Shak.
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Exact, v. i. To practice exaction. [R.]
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The anemy shall not exact upon him. Ps. lxxxix. 22.
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