a part or piece left hanging, unattached, or unused: Remind me to tack down that loose end on the stairway carpet.
an unsettled detail, as of a business matter: The arrangements have been made, except for a few loose ends.
at loose ends, in an uncertain or unsettled situation or position: Ever since leaving the company, he's been at loose ends.Also at a loose end.
Origin of loose end
First recorded in 1540–50
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
a detail that is left unsettled, unexplained, or incomplete
at a loose end without purpose or occupation
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012