Precise
Precise , adjective
[Latin praecisus cut off, brief, concise, past participle of praecidere to cut off in front, to cut off; prae before + caedere to cut: compare French précis. Compare Concise.]
1.
Having determinate limitations; exactly or sharply defined or stated; definite; exact; nice; not vague or equivocal; as, precise rules of morality.
The law in this point is not precise.
For the hour precise
Exacts our parting hence.
2.
Strictly adhering or conforming to rule; very nice or exact; punctilious in conduct or ceremony; formal; ceremonious. — Addison
He was ever precise in promise-keeping.