run off verb 10run-off noun 1forms 4 verb10 •To flee or depart quickly.Don't run off before the end of the event.He ran off to France leaving her with all the debts and three children to bring up. •To chase someone away.If anyone comes into this field, the bull will soon run them off. •To make photocopies, or print.Please run off a couple dozen more flyers to pass out. •To operate by a particular energy or fuel source.This radio runs off batteries.This radio runs off of batteries. •To pour or spill off or over.They kept a barrel to store rainwater that has run off the roof. •To cause to flow away.to run off a charge of molten metal from a furnace •To recite, especially items on a list.He ran off the checklist one by one but still missed a couple of items.He ran off the items one by one but still missed a couple. •To write something quickly.Shakespeare could run off a play in just a couple of days. •To have diarrhea. •To steal (horses).He ran off a pony from the ranch. run-off noun1 •A run-off area; a paved area around the track at a spot that drivers are likely to go off, as opposed to a gravel trap, grass or a barrier. formsran off · running off · runs off · run-offs