baseless

беспочвенный слух

A circulating story or report of uncertain truth, without any basis in fact.

Слух без доказательств или оснований.

An assertion, especially in a legal context, made without proof.

A claim that someone has done something illegal or wrong, made without any evidence.

безосновательное обвинение

A formal accusation of a crime that lacks foundation or evidence.

обвинение без доказательств