definitely or strictly stated, defined, or fixed

precise directions.

being exactly that and neither more nor less

a precise temperature; a precise amount.

being just that and no other

the precise dress she had wanted.

definite or exact in statement, as a person.

carefully distinct

precise articulation.

exact in measuring, recording, etc.

a precise instrument.

excessively or rigidly particular

precise observance of regulations; precise grooming.

noun

accurateness , correctness , exactitude , exactness , precision , rightness