Unanswered questions are those questions which have neither an accepted answer nor answers with positive vote count. Note that our definition is strict!

Unanswered questions are those questions which have neither an accepted answer nor answers with positive vote count.

On this site you can view the tab with unanswered questions. (You can also display unanswered questions with specific tag(s).)

For the definition of unanswered question see e.g. the blog post OK, Now Define “Answered”.