All 3 Uses

pedantic
in
Franny and Zooey
(Auto-generated)

I'm just so sick of pedants and conceited little tearer-downers I could scream.
Chpt 1.1 *

pedants = people too concerned with formal rules, details, or book learning
Some six weeks later, a long-distance call came through from Boston at eleven-thirty at night, with much dropping of small coins in an ordinary pay phone, and an unidentified voice—with no intention, presumably, of sounding pedantically waggish—informed Mr. and Mrs. Glass that their son Zooey, at twelve, had an English vocabulary on an exact par with Mary Baker Eddy's, if he could be urged to use it.†
Chpt 2.1

pedantically = with too much concern for formal rules, details, or book learning
We knew there's no keeping a born scholar ignorant, and at heart, I think, we didn't really want to, but we were nervous, even frightened, at the statistics on child pedants and academic weisenheimers who grow up into faculty-recreation-room savants.
Chpt 2.1

pedants = people too concerned with book learning

Definitions:

(1) (pedantic)
too concerned with formal rules, details, or book learning
(2) (meaning too rare to warrant focus)
In historic literature, you may see pedant used as a synonym for school teacher.