Until recently, it was practically unheard of for a pop star to look back at adolescence with an attitude other than nostalgia.

Drug trafficking and spouse abuse, practically unheard of before, are now serious problems.

He invited the two of them to his flat for tea or dinner, a practically unheard of thing.

"Among us, both epilepsy and drug use of any kind are practically unheard of."

It is practically unheard of for an adult to develop it.

Kitchen and floor jobs are held for decades and passed down between family members, which is practically unheard of in this country.

Failure to yield to privilege was legal, but practically unheard of.

And there's a coffee maker - practically unheard of in a hotel that also offers room service breakfast.

They had to be pure white, absolutely, no colored patterns at all, which for the Aztecs was practically unheard of.

Investigations like those are practically unheard of in Kuwait and go much further than any previous inquiries into corruption here.