Sometimes she feared that the others might turn on him out of frustration.

It was, he says, a project 'born out of frustration.

During these times, I want to kick the computer out of frustration.

People left this city out of frustration that nothing has happened here for the past 50 years.

It was a natural human reaction born out of frustration.

Perhaps they killed my father out of frustration in not finding me.

"I started it out of frustration that even my friends, and people who knew a lot about America, didn't understand," he said.

"The idea for our school was not born out of frustration with the system."

By age six I had taught myself to read out of sheer frustration.

"I don't like to hit other people out of frustration," Johnson said today.