President Trump said Sunday that when he calls Sen. Elizabeth Warren Elizabeth WarrenOvernight Defense: Appeals court revives House lawsuit against military funding for border wall | Dems push for limits on transferring military gear to police | Lawmakers ask for IG probe into Pentagon's use of COVID-19 funds On The Money: Half of states deplete funds for Trump's 0 unemployment expansion | EU appealing ruling in Apple tax case | House Democrats include more aid for airlines in coronavirus package Warren, Khanna request IG investigation into Pentagon's use of coronavirus funds MORE (D-Mass.) "Pocahontas," it is an insult to the renowned Native American woman.

"She's a hopeless case. I call her Pocahontas, and that's an insult to Pocahontas," Trump said in an interview with Pete Hegseth on "Fox and Friends," adding that Warren is "a highly overrated voice."

Trump has repeatedly used "Pocahontas" as an insult on the campaign trail to refer to Warren's claims about her Native American heritage.

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Similarly, Trump previously said that it is an "insult to Pocahontas."

“I do regret calling her Pocahontas, because I think it’s a tremendous insult to Pocahontas,” he said on Fox News in June 2016. "So, to Pocahontas, I would like to apologize to you.”

Trump renewed his use of this mocking nickname for Warren in April of this year during a speech to the National Rifle Association, saying she could run against him in 2020.

Trump also on Sunday slammed the progressive lawmaker, who stumped for his Democratic opponent Hillary Clinton Hillary Diane Rodham ClintonBloomberg rolls out M ad buy to boost Biden in Florida Hillicon Valley: Productivity, fatigue, cybersecurity emerge as top concerns amid pandemic | Facebook critics launch alternative oversight board | Google to temporarily bar election ads after polls close Trump pledges to make Juneteenth a federal holiday, designate KKK a terrorist group in pitch to Black voters MORE during the 2016 presidential election, saying she has "a lot of hatred, a lot of anger."

"I don’t think she has the kind of support that some people do. I think she heard Hillary. I watched her campaigning for Hillary [Clinton], and she was so angry," the president told Fox News. "Hillary would be sitting back listening to her trying to smile, but there were a lot of people in that audience that were going 'Wow, is that what we want?' There’s a lot of anger there and hostility."