Noun, Suru verb, Intransitive verb
taking on a life of its own (of a rumour, etc.)
発言の一部だけがマスコミに取り上げられて独り歩きした。Just one part of what he said got picked up by the media and took on a life of its own. walking by oneself; taking a walk by oneself
walking unaided; being able to walk without help
standing on one's own feet; being independent; taking care of oneself
Also written ひとり歩き【ひとりあるき】、独り歩き【ひとりあるき】