frustrated

Like many scientists on Twitter, Kucharski, a mathematical modeler of infectious diseases, was increasingly frustrated with changes to the platform since Elon Musk bought it in October 2022.

Jessica Hoff Berzac, president of UPholdings, which developed the project in partnership with Self-Help Enterprises, said she has been frustrated by the flip-flopping by officials, who initially supported the plans.

"I think that there has been frustration, that's obvious and I think everybody has been frustrated about how long this has gone on."

“Fast-food consumers are very frustrated by the price increases that they’re seeing,” said Jot Condie, president and chief executive of the California Restaurant Assn., which opposed Proposition 32.

To help their child avoid getting angry or frustrated, parents say they often try to ensure they get enough sleep and exercise, help identify and avoid triggers and avoiding overscheduling.