Riley Gaines on Wednesday responded to remarks Lia Thomas made in a podcast interview in April when she claimed advocates for keeping women’s sports fair and equal were using the "guise of feminism" to push "transphobic beliefs."

Thomas made the statement on fellow trans swimmer Schuyler Bailar's podcast "Dear Schuyler," and the former University of Pennsylvania swimmer’s remarks were brought up during a Senate hearing. Sen. Josh Hawley, R-Mo., asked Gaines for her opinion on Thomas’ comments.

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Lia Thomas in the 500

Lia Thomas looks on from behind the blocks during the NCAA Division I women's swimming and diving championship at the Georgia Institute of Technology on March 17, 2022, in Atlanta. (Mike Comer/NCAA Photos via Getty Images)

"Feminism is not a fluid term," Gaines said. "The meaning of what it means to be a feminist is to uphold, respect, honor, embrace and celebrate women on our own physical ceilings – our own uniqueness. That term has not changed. What this really is, is a male mansplaining what it is to be feminist, which I honestly think is pretty ironic and something we’ve seen before."

Thomas said in April some of her University of Pennsylvania teammates were "half" supportive of the swimmer, who was competing against women despite being a biological man.

Lia Thomas on the podium

Lia Thomas after finishing fifth in the 200-yard freestyle during the NCAA women's swimming and diving championship on March 18, 2022, in Atlanta. (Mike Comer/NCAA Photos via Getty Images)

RILEY GAINES SLAMS NCAA FOR ALLOWING LIA THOMAS TO COMPETE AT CHAMPIONSHIPS IN EMOTIONAL TESTIMONY

"They’re like, ‘Oh, we respect Lia as a woman, as a trans woman or whatever. We respect her identity. We just don’t think it’s fair.’ You can’t really have that sort of half support where you’re like, ‘Oh, I respect her as a woman here, but not here,'" Thomas said.

"You can’t sort of break me down as a person into little pieces, and you’re like, ‘OK, this is OK, this is OK, that’s not.’ It’s pretending to be supportive on some level but, in reality, it just sort of falls flat.

"They’re using the guise of feminism to sort of push transphobic beliefs. I think a lot of people in that camp sort of carry an implicit bias against trans people but don’t want to, I guess, fully manifest or speak that out. And so they try to just play it off as this sort of half support."

Riley Gaines at CPAC

SEC champion swimmer Riley Gaines speaks during the Conservative Political Action Conference (CPAC) in Dallas, Texas, Aug. 6, 2022. (Reuters/Go Nakamura)

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Gaines was speaking at the "Protecting Pride: Defending the Civil Rights of LGBTQ+ Americans" hearing.