out ‧ run /aʊtˈrʌn/ BrE AmE verb ( past tense outran /-ˈræn/, past participle outrun , present participle outrunning ) [transitive]
[ Word Family: noun : ↑ run , ↑ rerun , ↑ runner , ↑ running , ↑ overrun ; verb : ↑ run , ↑ outrun , ↑ overrun , ↑ rerun ; adjective : ↑ running , ↑ runny ; adverb : ↑ running ]
1 . to run faster or further than someone else
2 . to develop more quickly than something else:
The company’s spending was outrunning its income.