"Baseless allegations" refers to claims or accusations that have no evidence or supporting facts to prove that they are true. It means there is no valid reason or foundation for making these accusations. Full definition
But Mr. Ahenkorah described Mr. Ablakwa as a «big liar» and accused him of making baseless allegations against the government. (citifmonline.com)
Rather, the statement makes a number of baseless allegations against the government and person of the President of the Republic, Nana Addo Dankwa Akufo - Addo. (citifmonline.com)
«Jack Martins is once again showing his true colors as a hypocritical machine career politician — hurling baseless allegations about something he is doing himself. (nystateofpolitics.com)