- See under kissing kin.
- something closely related or very similar: a textile that is a kissing cousin to nylon.
Origin of kissing cousin
First recorded in 1935–40
- any more or less distant kin familiar enough to be greeted with a kiss, as a cousin (kissing cousin).
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018