noun
baseless rumor; gossip; false report
Refers to unfounded rumors or gossip, often with a negative connotation of spreading false information.
その飛語はすぐに広まった。
That baseless rumor spread quickly.
彼は飛語を流したとして非難された。
He was criticized for spreading false reports.
Compound of 飛 (hi, 'to fly') and 語 (go, 'word'), literally 'flying words', suggesting rumors that spread quickly without foundation.