PRECI'SE, a. [L. proecisus, from proecido, to cut off; proe and coedo; literally, cut or pared away, that is, pared to smoothness or exactness.]1. Exact; nice; definite; having determinate limitations; not loose, vague, uncertain or equivocal; as precise rules of morality; precise directions for life and conduct. The law in this point is precise. For the hour precise Exacts our parting.2. Formal; superstitiously exact; excessively nice; punctilious in conduct or ceremony.