run up against
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
According to Thierry Poibeau, these detection systems also run up against a "moving target problem" because AI programs are "constantly evolving".
From Barron's ● Sep. 25, 2026
A deluge of hyperscaler debt creates risk that investors will run up against concentration limits in their portfolios from a single company or industry.
From The Wall Street Journal ● Jul. 14, 2026
But the retailer’s optimism about those plans has run up against skepticism from investors, who sent shares lower on Wednesday.
From MarketWatch ● May 20, 2026
Efforts to narrow that definition, the court found, run up against those statutory protections.
From Salon ● Apr. 25, 2026
Frank and Joe had already run up against him once on a case, when they were trying to find the missing money from a video-game competition.
From "Hopping Mad (The Hardy Boys: Secret Files, #4)" by Franklin W. Dixon
