鬆ㄙㄨㄥsōng動ㄉㄨㄥˋdòng

  1. 疏散、流通、不緊。如：「牙齒鬆動」。也作「鬆通」。

英loose, slack, (fig.)​ to soften (policies, tone of voice)​, to give some slack, (of a place)​ not crowded
法peu gêné, branlant, qui se détache