This is the 5835th most frequent Japanese word.
ひぼう
"ひぼう" (誹謗) means "slander" or "defamation" in English.
Here, "ひぼう" refers to insult or slander as an emotional attack directed towards someone.
彼は私にひぼうのある言葉を投げかけた。
He hurled insulting words at me.
In this context, "ひぼう" is used together with "中傷" to denote insults and defamation, especially in written form.
インターネット上のひぼう中傷による影響が深刻化している。
The impact of online insults and defamation is becoming severe.
Here, "ひぼう" is contrasted with constructive criticism to describe negative speech that lacks the intent to improve something.