exact

Definition

Precisely agreeing with a standard, a fact, or the truth; perfectly conforming; neither exceeding nor falling short in any respect.

Etymology

From Latin exāctus (the verb via Middle English exact), perfect passive participle of exigō (“demand, claim as due; measure by a standard, weigh, test”), from ex (“out”) + agō (“drive”).

Example Sentences

• "The clock keeps exact time."
• "He paid the exact debt."
• "an exact copy of a letter"