Idiom: Let One's Hair DownCheck definitions of...letoneshairdownMeaningsTo relax and enjoy oneself.A-Z Proximitieslet looselet nature take its courselet offlet onlet one go let one's hair down let oneself golet sleeping dogs lielet slidelet sliplet someone down gentlySimilar Idiomslet one's hair downlet go and let Godlet downlet someone down gentlykeep one's hair onset one's hair on firetear one's hair outbad hair daycurl someone's hairget grey hair fromget out of someone's hairgive someone grey hairhair of the doghair-on-firehair out of placehair-splittinghair-splittinglyhat hairhelmet hairhide nor hairSimilar Phraseslet downlet alonelet drivelet flylet golet offlet go oflet inlet it golet looselet onlet outlet upfalse hairguard hairhair cellhair clamphair clawhair crimperhair gel