4 adverbs to describe how to unfounded

These rumours, which have caused grave anxiety, on closer investigation have all proved to be utterly unfounded.

That the pretence of danger to our West Indian islands from the abolition of the Slave Trade was totally unfounded, Mr. Wilberforce had abundantly proved; but if there were they who had not been satisfied with that proof, was it possible to resist the arguments of Mr. Pitt on the same subject?

"But it is merely unfounded suspicion.

This effort to thwart the Government in the payment of the public debt that it might retain the public money to be used for their private interests, palliated by pretenses notoriously unfounded and insincere, would have justified the instant withdrawal of the public deposits.

4 adverbs to describe how to  unfounded  - Adverbs for  unfounded