overprecise

adjective

over·​pre·​cise ˌō-vər-pri-ˈsīs 

: excessively or needlessly precise

an overprecise estimate

Their diction was overprecise, their speech clotted with formalisms …

—Alastair Reynolds

Wear a watch if you like so that you can time the whole outing, but there is no need to be overprecise about it.

—Ruth Field

To clothe a simple idea in elaborate or overprecise language results in pomposity or even humor.

—Raymond George Smith

Word History

First Known Use

1613, in the meaning defined above