Verb
run up against (third-person singular simple present runs up against, present participle running up against, simple past ran up against, past participle run up against)
(transitive) To begin to encounter problems with (someone or something).
The latest model has run up against the limits of its technical capacity.
What we eventually run up against are the forces of humourlessness, and let me assure you that the humourless as a bunch don't just not know what's funny, they don't know what's serious. They have no common sense, either, and shouldn't be trusted with anything. Martin Amis
“Don’t run up against the 15 April deadline,” he said, “and when you get the return, look at it as the means to secure your family’s finances,” he added, whether paying off debts, adding to a savings account or contributing to a Thrift Savings Plan. Source: Internet
Some of the principles that Fuchsia creators are pursuing have already run up against Google’s business model. Source: Internet
Real life hardscrabble folk with names like Rags Habakuk and Blixie Bimber run up against talking blue foxes and mystical corn fairies, and inanimate objects like skyscrapers beget railroad trains as offspring. Source: Internet
Of course, this can all run up against trouble. Source: Internet
There are three common challenges most businesses run up against. Source: Internet