noun
A literary or formal term for a groundless rumor or an undeserved reputation. Rare in everyday speech; more common synonyms are デマ or 流言.
その話は単なる虚聞に過ぎない。
That story is nothing more than a false rumor.
彼の悪評は虚聞であることが判明した。
It turned out that his bad reputation was unfounded.