Pedantic

[Becky]

A state of mind which is about caring a lot about formalities, often more than necessary. One may be called pedantic when he/she points out corrections in unimportant details.

[Britney]

The nitpickery of the english language that drives the less detail oriented insane...often mistaken as a tool to impress others when in fact it is annoying

[Sonia]

Ostentatious regarding ones intelligence. Using this word also makes you this word.

[Sarah]

Pointing out unnecessary minutiae in order to call attention to ones pretentiousness.

[Little_Girl]

someone who does things by the book to an extent that it overrides intuition

[Sarah]

Showing ones intelligence more than is necessary.

[Becky]

A tendency toward involuntary discovery of evidence suggesting widespread ignorance and/or ineptitude, esp. with regard to linguistic communication.

[Kit]

giving too much attention to formal rules or small details:

[Couch Potatoe]

Of or like a pedant.