Cindy McCain said Thursday that her late husband, John McCainJohn Sidney McCainMSNBC host: Barr 'the most dangerous person' who works for Trump Several factors have hindered 'next up' presidential candidates in recent years Small Florida county that backed Trump one of two targeted by Russians: reports MORE (R-Ariz.), would have been "terribly frustrated and terribly distraught" with the tone of the most recent election.

"I saw an elective process this year unlike anything I’ve ever seen. And I think many people would say that," Cindy McCain told CBS News.

"The level of discourse, especially in my home state, that took place was abominable," she continued. "He would’ve — I know, quite frankly, would’ve said 'Enough. This is not only wrong but it’s bad for the country.' "

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McCain said she believes her husband was the "conscience of the Senate," and that his voice is especially missed given the level of political hostilities.

"His ability to at least bring people together and talk about it in whatever way he could was very important, and we’ve lost his voice," she said.

Last week's midterm elections capped off an often acrimonious campaign in numerous high-profile races.

In addition to fierce attack ads and rough rhetoric, the Georgia governor's race was marked by allegations of voter suppression, the Florida governor's race was marred by multiple racist robocalls and President TrumpDonald John TrumpTrump calls for Republicans to be 'united' on abortion Tlaib calls on Amash to join impeachment resolution Facebook temporarily suspended conservative commentator Candace Owens MORE spent numerous campaign rallies demonizing Democrats and an approaching caravan of Central American migrants.

Trump and some Republicans have in recent days made unfounded allegations that voter fraud cost the GOP votes in Florida and Arizona.

The Associated Press on Monday called the Arizona race for Kyrsten Sinema, who became the first Democrat elected to a Senate seat in the state since 1988. She will fill the seat being vacated by Sen. Jeff FlakeJeffrey (Jeff) Lane FlakeProtesters who went viral confronting Flake cheered at award event Feinstein to introduce bill raising age to purchase assault weapons after California shooting Pollster says Trump unlikely to face 'significant' primary challenge MORE (R-Ariz.).

John McCain died in August after a lengthy treatment for brain cancer. Gov. Doug Ducey (R-Ariz.) appointed Jon Kyl to replace McCain in the Senate.