Appearing on "Jimmy Kimmel Live," the Texas senator was asked by Kimmel whom he disliked more: President Obama or Trump.

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"I dislike Obama's policies more. Donald is a unique individual," he said, trailing off to laughter.

"If I were in my car and getting ready to reverse and saw Donald in the backup camera, I'm not confident which pedal I'd push."

Trump last week launched an attack against Cruz's wife, Heidi, after an anti-Trump super-PAC used a picture of Trump's wife, Melania, posing nude in an ad.

Cruz has said multiple times he was not involved in the ad and has slammed Trump for bringing his wife into the race.

He also criticized Trump on Wednesday for his comments about abortion, saying the businessman "hasn't seriously thought through the issues, and he'll say anything to get attention."

Trump drew controversy Wednesday for saying women should be punished for getting illegal abortions. He later sought to clarify his position, saying he would not punish women but instead the abortion providers.