not closely or intimately connected or associated; distant; remote: an arm's-length relationship.
Origin of arm's-length
First recorded in 1645–55
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
lacking intimacy or friendliness, esp when possessing some special connection, such as previous closenesswe now have an arm's-length relationship
(of commercial transactions) in accordance with market values, disregarding any connection such as common ownership of the companies involved
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