characterized by prudishness or excessive modesty: The entrance of his nice-nelly friend stopped the flow of risqué stories.
being a euphemism; euphemistic: nice-nelly expressions.
Origin of nice-nelly
An Americanism dating back to 1920–25
or nice Nelly
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019