The Republican party would be splintered in two by Donald Trump's presidential campaign.
The Wyoming lawmaker said on Meet the Press that her party is in a tenuous position and predicted that Trump would tip the scales towards division.
There will be a new conservative party that rises if the party comes back from where it is currently.
There have been several splits in political parties in the United States. The opposing party has taken a lead due to the splits.
Ahead of the November elections, where Democrats and Republicans are fighting for control of Congress, former President Trump is teasing a run for the White House.
The party would "shatter" if Trump were to announce a campaign.
At the Texas Tribune festival in September, she assailed both Trump and other members of her party.
Donald Trump is the only president in American history who refused to guarantee a peaceful transition of power according to Cheney. The fact that my party has refused to stand up to him tells you how bad the party is.
When asked if she would run for president in 2024, Cheney dodged the question but said she would do everything she could to prevent Trump from being the nominee.
She said she wouldn't be a Republican if he was the nominee.
Cheney has been critical of Trump in the past. Only two members of the GOP are on the committee that is investigating the attack.
On "Meet the Press" this weekend, Cheney discussed the committee's subpoena of Trump in the probe, saying she wouldn't allow him to make his testimony before the panel acircus.
She told Chuck Todd that this wouldn't be his first debate against Biden. This is a lot of issues.
The lawmaker said that questioning of Trump would be conducted with the level of rigor and discipline that it deserves.
Cheney lost her August primary to a Trump supporter because of her outspokenness against the president.