bezpodstawnie in English:

That's a completely unfounded rumor.

The CEO is trying to quash these unfounded rumors about a merger.

The allegations were totally unfounded

unfounded claim, petition

It appears to be unfounded most of the time

Your worries are completely unfounded.

I hope that my fears will prove to be unfounded.

unfounded allegations/rumours

Resistance to unjust laws.

Women have been resigned to unjust treatment for too long.

an unjust law; unjust punishment; an unjust judge; an unjust accusation

Justice is the constant and perpetual desire to give to each one that to which he is entitled. Jurisprudence is the knowledge of matters divine and human, and the comprehension of what is just and what is unjust.

Not all violence is equally reprehensible; not all wars are equally unjust.

The rumor turned out to be groundless.

groundless claim, suspicion

If groundless, said reason only pointed to a better one

All our fears proved to be groundless - the surgery went smoothly and dad is back home now.

A groundless reduction of employee benefits is an offence.

So far, your action seems completely groundless.

They are always believing a groundless rumor.

It is not that Johnson's claim is groundless, but that it is misleading.

It is important to note that his assertion is groundless.

He chafed under the groundless criticism.