over- + run

source: Overrun GIF - Find & Share on GIPHY

verb (overruns, overrunning; past overran; past participle overrun) |ˈōvərˌrən| with object

1. spread over or occupy (a place) in large numbers:

〖通例be ～〗 〈建物･地域が〉 【望ましくないもので】一杯になる, あふれかえる «by, with» .

e.g. the Mediterranean has been overrun by tourists

e.g. the northern frontier was overrun by invaders.

move or extend over or beyond:

e.g. let the text overrun the right-hand margin.

run over or beyond (a thing or place):

e.g. she overran third base.

rotate faster than (another part of a machine):

e.g. (as adjective overrunning) : an overrunning clutch.

2. continue beyond or above an expected or allowed time or cost:

〈予定された費用･時間〉をオーバーする; 〈飛行機が〉〈滑走路〉をオーバーランする.

e.g. he mustn't overrun his budget.

noun |ˈōvərˌrən|

1. an instance of something exceeding an expected or allowed time or cost:

超過; オーバーラン.

e.g. an unexpectedly large cost overrun in the program.

2. the movement or extension of something beyond an allotted or particular position or space:

e.g. the system acts as a brake to prevent cable overrun.

a clear area beyond the end of an airport runway.

3. the movement of a vehicle at a speed greater than is imparted by the engine.

Old English oferyrnan(see over-, run).