also: るせつ
noun
groundless rumor; false report
Refers to a rumor or story that is circulating but lacks any factual basis. Often used in formal or written contexts.
その流説はすぐに否定された。
That groundless rumor was quickly denied.
流説に惑わされないでください。
Please don't be misled by false reports.
Alternate reading, less common.
Compound of 流 (flow, spread) and 説 (theory, story), suggesting a story that is merely floating around without solid foundation.