A second hand car.
A polite euphemism for a used car is "pre-owned vehicle." This term conveys the idea that the car has had a previous owner while maintaining a positive connotation. It suggests reliability and value, appealing to buyers looking for a cost-effective option without negative implications.
Euphemism
One word is Euphemism
He was put to sleep.
he was put to sleep
unpleasant
== A euphemism is the substitution of a polite term for one that may be offensive.
A euphemism is a more polite term used for something that is considered to be harsh or impolite. However, zero is neither harsh nor impolite, and none of the equivalent alternatives are more polite.
Don't know
A euphemism is a polite, socially acceptable way of naming something else. For example, a public toilet being called a "comfort station", or "Sailsbury steak" as a euphemism for a hamburger.
It's a polite euphemism for a much stronger word that begins with 'sh'.
Beseech is an archaic verb that means to ask or beg. A euphemism is a polite way of saying something that is blunt. If you said, "I beseech thee to spray some Febreeze in there." that would be a euphemism for telling someone that they stink.