verb over·run \-ˈrən\

: to enter and be present in (a place) in large numbers

: to run or go beyond or past (something)

: to spread over or throughout (something)


Full Definition of OVERRUN

transitive verb
a (1) :  to defeat decisively and occupy the positions of (2) :  to invade and occupy or ravage
b :  to spread or swarm over :  infest
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
:  to flow over <the river overran its banks>

Examples of OVERRUN

  1. The tank divisions overran the countryside.
  2. The city was being overrun by enemy troops.
  3. The plane overran the runway.
  4. His speech overran the time allowed.

First Known Use of OVERRUN

before 12th century

Other Military Terms

bivouac, logistics, petard, salient, sally, supernumerary, tactical


noun over·run \ˈō-və(r)-ˌrən\

: an amount of money that is spent and that is more than the expected or planned amount

Full Definition of OVERRUN

:  an act or instance of overrunning; especially :  an exceeding of the costs estimated in a contract for development and manufacture of new equipment
:  the amount by which something overruns
:  a run in excess of the quantity ordered by a customer

First Known Use of OVERRUN


Other Business Terms

amortize, caveat emptor, clearinghouse, divest, due diligence, emolument, green-collar, marque, overhead, perquisite
OVERRUN Defined for Kids


verb over·run \ˌō-vər-ˈrən\
over·ran \-ˈran\overrunover·run·ning

Definition of OVERRUN for Kids

:  to take over and occupy by force <The outpost was overrun by the enemy.>
:  to run or go past <The runner overran second base.>
:  to spread over so as to cover <Weeds overran the garden.>


Next Word in the Dictionary: overrunnerPrevious Word in the Dictionary: overrulerAll Words Near: overrun
July 28, 2015
pachyderm Hear it
an elephant
Take a 3-minute break and test your skills!
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears