She finally found a solution to a problem that had 'defeated' many other researchers.
She felt very/utterly 'defeated' when she found out she didn't get the job.
Our candidate 'defeated' him in the last election.
(..) And for me. I gave you my word. And I kept it. Then I drink to you, and salute you, and thank God for you. Amen! The defeat of Ragnar Lothbrok will resound down the ages. What defeat? As long as my brother is still alive, he is not defeated. He has retreated. (..)2016 TvShow: Vikings Title: Portage Season: 4 Episode 8
(..) so, your Highness, but I fear the trust you have placed in the Northman Rollo is misplaced. How so? Has he not guided us well? Well, it's true he has contributed to the defeat of his brother. But that was not for the sake of Paris. It was a quarrel between them. And now Rollo has the upper hand, (..)2016 TvShow: Vikings Title: Portage Season: 4 Episode 8