transitive verb overran, overrun, overrunning
- to run or spread out over so as to cover
- to infest or swarm over, as vermin, or rove over and ravage, as an invading army
- to invade, defeat, or conquer by a rapid, broad advance
- to spread swiftly throughout, as ideas, a fad, etc.
- to run or extend beyond (certain limits): to overrun second base
- Archaic to outrun
- Printing
- to rearrange (type matter) by shifting from one line to another
- to print more copies of (a given work) than ordered