a mild or pleasant word or phrase that is used in place of one that is offensive or unpleasant
Words It Might Replace:
alternative, "another way of saying"
"Anyone who's ever lived in a small apartment building full of quirky (usually a euphemism for 'extremely irritating') tenants has probably imagined one of them suddenly found dead or killing somebody else." Steve Donoghue, Washington Post, July 8, 2011