Former Secretary of State Hillary ClintonHillary Diane Rodham ClintonGOP struggles with retirement wave Overnight Energy: Trump to revoke California's tailpipe waiver | Democrats propose bill to revoke Trump endangered species rollback | Trump officials finalize rule allowing fewer inspectors at pork plants Mark Mellman: The most important moment in history? MORE sharply criticized President TrumpDonald John TrumpJimmy Carter: 'I hope there's an age limit' on presidency White House fires DHS general counsel: report Trump to cap California trip with visit to the border MORE during an appearance in Las Vegas on Sunday, using the word "deplorable" to describe the last several years.

“What we have seen over the last several years is truly deplorable,” the 2016 Democratic presidential nominee said to rousing applause.

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Clinton's use of the word deplorable was notable because Trump and his supporters had blasted her during the 2016 presidential race after she described a portion of his supporters as belonging to a "basket of deplorables."

Appearing alongside her husband, former President Bill ClintonWilliam (Bill) Jefferson ClintonRNC spokeswoman on 2020 GOP primary cancellations: 'This is not abnormal' Booker dismisses early surveys: 'If you're polling ahead right now, you should worry' Words matter, except to Democrats, when it involves impeaching Trump MORE, in an appearance on their speaking tour, Hillary Clinton took several swipes at Trump during her more than 90 minutes on stage.

She first used the word "deplorable" while speaking at a campaign event in September of 2016. Trump and his campaign quickly seized on the comments and his supporters began to embrace the term.

Clinton also weighed in on the Mueller report during her appearance, saying that it shows “this president obstructed justice.”

“He tried to interfere with that investigation,” she added, referring to special counsel Robert MuellerRobert (Bob) Swan MuellerFox's Cavuto roasts Trump over criticism of network Mueller report fades from political conversation Trump calls for probe of Obama book deal MORE’s investigation into Russian interference in the 2016 election that also focused on whether Trump sought to obstruct the probe.

In her wide-ranging speech, Clinton also slammed Attorney General William BarrWilliam Pelham BarrArizona Democratic Party will hold vote to censure Sinema Democrats seize Senate floor to protest gun inaction: 'Put up or shut up' Feehery: Impeachment fever bad for Democratic governing vision MORE for acting like the “president’s defense attorney, not the attorney general for the entire country” during his testimony last week before the Senate Judiciary Committee.