That's a completely unfounded rumor.
That's completely unfounded rumor.
The rumor turned out to be true.
I wonder if this rumor is true.
That kind of rumor is groundless.
I think that rumor is true.
That rumor has come to be believed as the truth.
The rumor turned out true.
The rumor turned out to be true.
The rumor turned out to be true.
Those are thoroughly rumors.
The rumor was without foundation.
I'm afraid the rumor is true.
Unfortunately, that rumor is true.
That rumor is definitely a lie.
その噂は本当であるはずがない。
It was not long before the rumor died out.