ˈweasel ˌword noun [countable] informal a word used instead of another word when someone wants to be less direct, honest, or clear
[TahlilGaran] Dictionary of Contemporary English ▲
weasel word n.,
informal A word which has more than one meaning and may be used to deceive others.
When the thief was being questioned by the police, he tried to fool them with weasel words. [TahlilGaran] English Idioms Dictionary ▲