Adjective

(en adjective)

Of high value or worth, or seemingly regarded as such.

* {{quote-magazine, date=2013-08-16, author=(Polly Toynbee)

, volume=189, issue=10, page=21, magazine=(The Guardian Weekly) , title= Britain's booming birthrate , passage=People are a good thing, the most precious resource in a rich economy, so the progressive-minded feel. Only misanthropists disagree or the dottier Malthusians who send green-ink tweets deploring any state assistance for child-rearing.}}

Regarded with love or tenderness.

(pejorative) Treated with too much reverence.

(pejorative) Contrived to be cute or charming.

* {{quote-news, year=2012, date=May 24, author=Nathan Rabin, work=The Onion AV Club

, title= Film: Reviews: Men In Black 3 , passage=In the abstract, Stuhlbarg’s twinkly-eyed sidekick suggests Joe Pesci in Lethal Weapon 2 by way of late-period Robin Williams with an alien twist, but Stuhlbarg makes a character that easily could have come across as precious into a surprisingly palatable, even charming man.}}

Adjective

(en adjective)

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

Habitually careful to agree with a standard, a rule, or a promise; accurate; methodical; punctual.

* (John Milton) (1608-1674)

I see thou art exact of taste.

* 1661 , , The Life of the most learned, reverend and pious Dr. H. Hammond

During the whole time of his abode in the university he generally spent thirteen hours of the day in study; by which assiduity besides an exact dispatch of the whole course of philosophy, he read over in a manner all classic authors that are extant

Precisely or definitely conceived or stated; strict.

* (William Shakespeare) (1564-1616)

An exact command, / Larded with many several sorts of reason.

(algebra, of a sequence of groups connected by homomorphisms) Such that the kernel of one homomorphism is the image of the preceding one.