Pedantically
/pɪˈdæntɪkli/
Definition 1 of 1
Pro Tip 1/3Negative tone
Using 'pedantically' often suggests annoyance or criticism towards someone being overly detailed. 
His pedantically structured emails were becoming tiresome.
Pro Tip 2/3Excessive detail
'Pedantically' implies an excessive focus on detail that is not necessary or desired in the context. 
She pedantically organized her bookshelf by color and height, though no one else cared.
Pro Tip 3/3Formality context
The term is often used in academic or formal contexts where strict adherence to rules is expected. 
During the debate, he pedantically cited every source, which was both impressive and overwhelming.