2003, Michael Morpurgo - page 5They'd argue a lot, about little niggly things — and they had never been like that.
1994, Douglas R. Graves - Life Drawing in Charcoalpage 153You soon discover there isn't time (nor is there any need) to put in the niggly details. The essence of the pose is its attitude or action and a hint of the model.
pernickety, paying too much attention to small details.
2003, Michael Palin - page 16Now things are less confrontational but just as niggly. The Spanish examine drivers' papers with elaborate care, causing huge traffic jams