be without foundation
have no foundation

Incidents such as this are often reported without foundation, we were told.

Accounts of his having painted in the South are without foundation.

"The claims for damages are without foundation," the company said.

He is too cautious a man to make such a statement without foundation.

As will be seen in Chapter 5, this interpretation is not without foundation.

The figure of $7 billion in budget cuts is not entirely without foundation.

"The answer to all the suggestions you made is that they are without foundation."

The prediction that women will be different has always been made, but it is without scientific foundation.

The objections of the industry in this matter are certainly not without foundation.

We hear too many rumors and believe them without foundation.