All 4 Uses

pedantic
in
Dr. Jekyll and Mr. Hyde
(Edited)

But I have been pedantically exact, as you call it.
p. 10.5 *

pedantically = with too much concern for details or book learning
I never saw a man so distressed as you were by my will; unless it were that hide-bound pedant, Lanyon, at what he called my scientific heresies.
p. 25.3

pedant = someone too concerned with formal rules, details, or book learning
Oh, I know he's a good fellow—you needn't frown—an excellent fellow, and I always mean to see more of him; but a hide-bound pedant for all that; an ignorant, blatant pedant.
p. 25.4
Oh, I know he's a good fellow—you needn't frown—an excellent fellow, and I always mean to see more of him; but a hide-bound pedant for all that; an ignorant, blatant pedant.
p. 25.5

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.