noun
a person who does not have a strong opinion about a question which they are asked in an opinion poll :
A quarter of all the people surveyed were don't-knows.
noun
a person who does not have a strong opinion about a question which they are asked in an opinion poll :
A quarter of all the people surveyed were don't-knows.
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005