I. -ˈrən transitive verb
( over·ran -ˈran ; -run ; -run·ning )
Date: before 12th century
1.
a.
(1) : to defeat decisively and occupy the positions of
(2) : to invade and occupy or ravage
b. : to spread or swarm over : infest
2.
a. : to run or go beyond or past
the plane overran the runway
b. : exceed
overrun a budget
c. : to readjust (set type) by shifting letters or words from one line into another
3. : to flow over
the river overran its banks
II. ˈō-və(r)-ˌrən noun
Date: 1898
1. : an act or instance of overrunning ; especially : an exceeding of the costs estimated in a contract for development and manufacture of new equipment
2. : the amount by which something overruns
3. : a run in excess of the quantity ordered by a customer