Idiom idiom
rivet counter
Meaning
A person who has an obsession with the minutiae of their particular interest, especially in military and technology history. Anyone preoccupied with small distinguishing features between different items.
Meaning adapted from Wiktionary, available under CC BY-SA 4.0.
Examples
“He is a total rivet counter when it comes to old airplanes.”
“The online forum was full of rivet counters arguing about the exact shade of paint used on the tank.”
“While the casual historian enjoyed the documentary, the rivet counters spent the entire evening pointing out minor inaccuracies in the equipment shown on screen.”
Anchors to
Last updated August 10, 2026