I can say all of this without hesitation because these concerns have been investigated and found to be groundless.
“It is not a question of starting an investigation over a case that is groundless,” he said.
At the most basic legal level, the charges of plagiarism are groundless.
Ignore, therefore, the groundless suspicion that you sin by obeying, and walk confidently in this path exempt from danger.
It was only an inkling, vague and groundless, and he felt that it would do no good to speak of it.
Clayton felt that he could not stir up in the heart of this man a useless, peace-destroying, and perhaps a groundless, distrust.
My fears that he might be an agent of the Sûreté were groundless.
Captain Dan's fears concerning the safety of his showcases were groundless.
The sequel is not likely to have convinced him that his apprehensions were groundless.
He told her how groundless were her fears; that a protecting Providence watched over them, and they would not be harmed.